Enamel weakened by teeth whitening / Dentists should be aware of swine flu - says top Mexican infection control expert / Asia News / World News / Business / Interview with Frank Hemm - Senior Vice-President of Straumann Asia Pacific / Business / More power - shorter curing times—does that make sense? / Interview with Dr Jolán Bánóczy - Hungary / Miniscrews—a focal point in practice (Part III) / Interview with Dr Bendicht Scheidegger and Dr Hans-Peter Frei / APDF Newsletter 01/09
Enamel weakened by teeth whitening
01 - 01 viewDentists should be aware of swine flu - says top Mexican infection control expert
02 - 02 viewAsia News
03 - 03 viewWorld News
04 - 06 viewBusiness
07 - 07 viewInterview with Frank Hemm - Senior Vice-President of Straumann Asia Pacific
08 - 10 viewBusiness
12 - 12 viewMore power - shorter curing times—does that make sense?
13 - 14 viewInterview with Dr Jolán Bánóczy - Hungary
16 - 16 viewMiniscrews—a focal point in practice (Part III)
18 - 19 viewInterview with Dr Bendicht Scheidegger and Dr Hans-Peter Frei
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[title] => Enamel weakened by teeth whitening
[page] => 01
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[1] => Array
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[title] => Dentists should be aware of swine flu - says top Mexican infection control expert
[page] => 02
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[page] => 03
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[page] => 13
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[title] => Interview with Dr Jolán Bánóczy - Hungary
[page] => 16
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[title] => Miniscrews—a focal point in practice (Part III)
[page] => 18
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Table of contents
-
Enamel weakened by teeth whitening
01 - 01
view
-
Dentists should be aware of swine flu - says top Mexican infection control expert
02 - 02
view
-
Asia News
03 - 03
view
-
World News
04 - 06
view
-
Business
07 - 07
view
-
Interview with Frank Hemm - Senior Vice-President of Straumann Asia Pacific
08 - 10
view
-
Business
12 - 12
view
-
More power - shorter curing times—does that make sense?
13 - 14
view
-
Interview with Dr Jolán Bánóczy - Hungary
16 - 16
view
-
Miniscrews—a focal point in practice (Part III)
18 - 19
view
-
Interview with Dr Bendicht Scheidegger and Dr Hans-Peter Frei
20 - 20
view
-
APDF Newsletter 01/09
21 - 22
view
[toc_titles] => Enamel weakened by teeth whitening
/ Dentists should be aware of swine flu - says top Mexican infection control expert
/ Asia News
/ World News
/ Business
/ Interview with Frank Hemm - Senior Vice-President of Straumann Asia Pacific
/ Business
/ More power - shorter curing times—does that make sense?
/ Interview with Dr Jolán Bánóczy - Hungary
/ Miniscrews—a focal point in practice (Part III)
/ Interview with Dr Bendicht Scheidegger and Dr Hans-Peter Frei
/ APDF Newsletter 01/09
[pdf_url] => https://epaper-dental-tribune.s3.eu-central-1.amazonaws.com/53833-abddf53f/epaper.pdf
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[1] =>
untitled
DTAP0409_01-03_TitleNews
DF
P
A
30.04.2009
17:21 Uhr
Seite 1
d
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DENTAL TRIBUNE
The World’s Dental Newspaper · Asia Pacific Edition
PUBLISHED IN HONG KONG
www.dental-tribune.asia
NO. 4 VOL. 7
Straumann in Asia
Dentin hypersensitivity
Miniscrews
An interview with Senior
Vice-President Frank Hemm
A brief overview of the
“common cold of dentistry”
Dr Björn Ludwig presents
first clinical examples
Page
8
Page
16
Page
18
Enamel weakened by teeth whitening Online
US study has found that bleaching teeth at home has side effects
From news reports
New research has shown that
human teeth can lose some
enamel hardness following the
application of teeth whitening
products used in the home. According to lead author Shereen
Azer, Assistant Professor of
Restorative and Prosthetic Dentistry at Ohio State University
in the US, the average loss of
enamel ranged from 1.2 to
2 nanometres on the treated
teeth. Tooth bleaching products
contain solutions of varying
strengths of either hydrogen
peroxide or carbamide peroxide, which produce free radicals that attack pigment molecules in the organic parts of
enamel, to provide the whitening effect.
Enamel is the hardest structure in the human body. Tooth whitening products may weaken this natural barrier.
(DTI/Photo bg_knight )
Several studies have sought
to determine the effect of tooth
whitening on tooth enamel
hardness but results have been
inconclusive, Azer said. He
added that previous studies
measured the loss of enamel
hardness in microns, or millionth of a metre, while he used
a nanometre scale in his study.
In his research, he used whitening strips and trays filled with
whitening gel on extracted molars, as well as an atomic force
microscope to observe the tiny
nanometre-scale effects on the
teeth. The reduction in hardness
and elastic modulus amongst
the different products was
largely similar. However, there
resources
on swine flu
The Organization for Safety
and Asepsis Procedures (OSAP)
in the US is currently providing
special online resources to help
dental professionals protect
themselves and their patients
against swine flu. The swine flu
section includes an overview
of the disease, up-to-the-minute
reports on the current outbreak,
tips for prevention, and links to
reports and updates from the US
Center for Disease Control and
Prevention, the American Dental Association, Pan American
Health Organization, World
Health Organization, and even
the White House Briefing Room.
was a significant difference
between one strip treatment
method and one tray method,
with the tray method reducing
enamel hardness more significantly than the strip treatment.
Although the study did not
address methods of restoring
hardness to bleached teeth, Azer
noted that extensive research
has indicated that fluoride treatments, including the use of
fluoride toothpaste, can promote enamel remineralisation.
He suggested that, based on
the study, future generations of
teeth whitening products be reformulated in an effort to reduce
these side effects. DT
In addition, the OSAP symposium Infection Prevention:
Spread the Word, which will be
held from 11 to 14 June 2009
in Plano, TX, USA, will feature
courses that address this issue.
Dr Michael Glick will present
Emerging Diseases with special
focus on Swine Flu and Dr Molly
Newlon will present the 6 p’s
of Emergency Preparedness, in
which swine flu will be addressed. DT
AD
Malaysia
starts oral
health
campaign
Switzerland forward Thierry Paterlini (left) grabs hold of Christoph Ullman from Germany
at the Ice Hockey World Championship in Switzerland. We spoke with the emergency dental
OFF TIME,page 20
team on page 20. (DTI/Photo Matthew Manor, HHOF-IIHF Images)
Records at
Bad breath
Hawaii meeting worries women
Approximately 3,200 dentists
have attended the American Academy of Cosmetic Dentistry’s Scientific Session in Honolulu in the US.
According to the organiser, the session will generate more than US$15
million in statewide spending. Next
year’s meeting will be held in May
in Grapevine in the US. DT
Women are more worried
about having bad breath than about
their partners disliking their appearance. Toothpaste manufacturer Macleans found that 78 per
cent of women worry about having
smelly breath, while only 4 per cent
said they were concerned about
what underwear to wear. DT
The Malaysian Dental Association has started a new campaign with Colgate–Palmolive
to improve oral health among
Malaysians. The campaign, in
its sixth consecutive year, will
provide free dental check-ups
for at least 500,000 people at
over 560 dental clinics and
at road shows nationwide.
Colgate will also be giving out
free oral-care product samples
at the various road shows, instore venues and dental clinics
throughout the month-long
campaign.
Malaysia’s Oral Health Month
is in line with the National Oral
Health Plan 2010, which aims
to create awareness of and educate the public on better oral
care. DT
[2] =>
untitled
DTAP0409_01-03_TitleNews
2
30.04.2009
17:21 Uhr
Seite 2
DENTAL TRIBUNE Asia Pacific Edition
News
Dentists should be aware of swine flu,
says top Mexican infection control expert
“These outbreaks have a series of peaks, so we cannot just
loosen our control of the situation,” continues Dr Acosta-Gio.
“We will have to be in continuous
vigilance after the outbreak subsides and the university reopens.
We want to make sure that we can
interview the patients and provide elective dental treatment
for patients with infectious communicable diseases. We won’t
be seeing patients that have an
active case of flu-like symptoms,
a cold, or influenza. And, we want
to make sure that patients who
had it have shown no symptoms
for at least seven days in the
past.”
Dr Enrique Acosta-Gio, head of infection control at UNAM’s Dental School in
Mexico City, showing the package dental patients have to purchase and give to
the attending dentist at the university, which treats thousands of patients.
(DTI/Photo Jan Agostaro)
Javier Martínez de Pisón
DT Latin America
MEXICO CITY, Mexico: The
head of infection control at the
School of Dentistry of the National University of Mexico
(UNAM), Dr Enrique AcostaGio, said in an interview with
Dental Tribune Latin America
that the outbreak of the swine
flu pandemic came as a total
surprise.
“You talk to dentists about
global health risks, about a biological event of worldwide significance and they look at you and
wonder, ‘how does this relate
to me?’ People thought that this
sounded like a doomsday scenario. Even I was not prepared
for an outbreak originating in
Mexico,” said Dr Acosta-Gio,
who has been head of dental infection control at UNAM since
1992.
UNAM, one of the largest universities in the world with a campus twice the size of New York’s
Central Park, has research facilities and highly trained human
resources who have studied influenza in animals and humans,
and its president is a permanent
advisor to Mexico’s Health Secretary. Mexico’s Health Department has shut down the campus
as well as schools from kindergarten to the university level until reliable data on the evolution
of the pandemic is available.
It came as a surprise
The top expert added that the
potential scenario of a pandemic
case study involved a virus originating in Asia or other distant
country, which eventually would
reach Mexico. Dr Acosta-Gio
emphasized that this outbreak
should make dentists aware of
infection procedures to protect
themselves and their patients.
“Back in 2006 Dr José Naro,
now president of the National
University of Mexico, was the
Dean of the Medical School, and
called for a meeting on pandemic
preparedness. We talked differ-
ent scenarios—first that it would
come from South East Asia and
that we would be reacting to
something outside of Mexico,”
explained Acosta-Gio. “We were
considering what the University
would do in case of an outbreak.
We believed the University
would stay open and respond as
the outbreak evolved. Now, it
shows up first in Mexico, and the
authorities closed the University.
It has taken us one week to understand and re-accommodate
all the university components.
Dr Naro has formed committees;
I am a member of the science and
technology committee providing
and structuring the institutional
response to this outbreak.”
Since the outbreak, the Deans
of Health Sciences and the university’s president meet every
morning at 8 am. The dental
school has a well-structured program in infectious control on
UNAM’s web page, which has
been linked to all its infection
control resources. “We are providing concise information from
UNAM, WHO, CDC and OSAP in
Spanish and in English so that
people who want to find the
sources can see where it came
from. At this stage I am editing
this information into three concise paragraphs of information,”
the doctor said.
“People are not really interested in understanding the biological behavior of the virus;
they only want to know what
to do,” explains Acosta-Gio. “We
are trying to formulate all the
frequently asked questions to a
‘yes, no and information is not
available at this time’ so we can
respond briefly to the questions
and provide some advice on what
to do, how to act.”
Dr Acosta-Gio said they want
to make sure “our students have
these procedures well integrated
into their practice, and we want
to make sure the faculty watch
these events. We want to make
sure that we can guarantee all
the safety we can provide for our
patients with sterilization, disinfection and the use of personal
protective equipment, and the
right kind of personal protective
equipment according to the activities.”
Asked about the infection
control procedures dentists
should follow for this and other
outbreaks, Dr Acosta-Gio said
“the dental profession should has
access to all the correct information on the flu outbreak. We also
want to know that they have access to all the right supplies, and
we have been training people
in infection control. It is a matter
of scenarios. The first part is a
public health measure, a state of
health care emergency where
people are advised to avoid
crowds, wear a face mask, to
wash their hands, and avoid the
splash and splatter exposure to
other people’s coughing and
sneezing.”
“In the dental office you don’t
want to have a waiting room full
of people. You have to have a good
patient flow and a good airflow
for ventilation. The infectious
control issues are basically the
same with this outbreak as with
Thousands of UNAM nursing
and medical students are working in the hospitals of Mexico
City to fight the outbreak. The
University is providing them
with information on safe clinical
behavior and safe clinical practices.
“The second principle is to
avoid contact with blood and
body fluids. This is standard
Waterproof face masks being tried by Dr Acosta-Gio at the Microbiology Lab of
UNAM. (DTI/Photo Jan Agostaro)
any other, except for elective
dental procedures for people
with suspicious flu-like disease,”
he added.
Basic rules of
infection control
The Mexican researcher said
that Infection Control has four
main principals points. The first
principle is to act to be safe,
which means that before seeing
patients, you have to get your immunization shots. “A seasonal flu
precaution as well as cough and
sneeze etiquette. Wash your
hands. The third principle of infection control is to keep the instruments safe, which means
sterilization and high-level disinfection in a sporicidal solution
of the instruments. And the
fourth principle has to do with the
disinfection of surfaces and the
use of protective barriers to avoid
the dissemination of the contamination after or during the patient
treatment.” DT
International Imprint
Licensing by Dental Tribune International
Publisher Torsten Oemus
Group Editor/Managing
Editor DT Asia Pacific
Daniel Zimmermann
newsroom@dental-tribune.com
Tel.: +49-341/4 84 74-107
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German Publications
Jeannette Enders
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Anja Worm
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Copy Editors
Sabrina Raaff
Hans Motschmann
International Editorial Board
Dr Nasser Barghi, Ceramics, USA
Dr Karl Behr, Endodontics, Germany
Dr George Freedman, Esthetics, Canada
Dr Howard Glazer, Cariology, USA
Prof. Dr I. Krejci, Conservative Dentistry, Switzerland
Dr Edward Lynch, Restorative, Ireland
Dr Ziv Mazor, Implantology, Israel
Prof. Dr Georg Meyer, Restorative, Germany
Prof. Dr Rudolph Slavicek, Function, Austria
Dr Marius Steigmann, Implantology, Germany
DENTAL TRIBUNE
The World’s Dental Newspaper · Asia Pacific Edition
What is UNAM doing
shot is recommended for every
health care professional, including dentists and their staff, as
well as tetanus and Hepatitis B,”
he explained. “We don’t want
sick dentists and staff handling
patients and instruments. Work
restrictions should be applied to
workers who may have flu-like
symptoms.”
Published by Dental Tribune Asia Pacific Ltd.
© 2009, Dental Tribune International GmbH. All rights reserved.
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Nadine Parczyk
License Inquiries
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Accounting
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Product Manager
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Tel.: +49-341/4 84 74-302 Fax: +49-341/4 84 74-173
Internet: www.dti-publishing.com E-mail: info@dental-tribune.com
Regional Offices
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Room A, 26/F, 389 King’s Road, North Point, Hong Kong
Tel.: +852-3113-6177 Fax: +852-3113-6199
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Tel.: +1-212-244-7181 Fax: +1-212-224-7185
[3] =>
untitled
DTAP0409_01-03_TitleNews
30.04.2009
17:21 Uhr
Seite 3
DENTAL TRIBUNE Asia Pacific Edition
Asia News
3
Taiwan to attend World Health Assembly
Reuters
TAIPEI, TAIWAN: China has
allowed Taiwan to attend the
annual United Nations-sponsored World Health Assembly
(WHA) in Geneva in May, a further sign of warming ties between the political foes. Taiwan, a self-ruled island that
Beijing sees as its own, can be
an observer at the World Health
the world’s most powerful nations compared to Taiwan’s 23,
normally blocks the island
from joining international organisations that require statehood as a prerequisite. Relations between Taiwan and
China have improved since the
island’s President Ma Ying-jeou
took office last May, with top
negotiators on both sides holding meetings and signing a se-
Organisation’s (WHO) assembly under the name Chinese
Taipei. China must approve any
WHA role for Taiwan before the
island can be formally invited.
A spokesman for China’s Taiwan Affairs Office would only
say that Beijing had a ‘positive’
attitude toward the issue.
Beijing, backed by about
170 diplomatic allies including
ries of deals to boost trade ties.
Ma welcomed the decision to
let Taiwan attend the health
assembly, saying it was a question of basic human rights.
“Joining WHO activities isn’t
just a simple political matter.
It’s more a matter of human
rights and 23 million Taiwan
people’s health human rights
shouldn’t be ignored,” Ma
stated.
Taiwan officials say their
exclusion from the WHO and its
annual assemblies has made it
tough to handle major health
issues such as SARS in 2003.
The WHA is the supreme decision-making body for the WHO.
It is held from 18–27 May 2009
in Geneva, attended by delegates from all 193 members. DT
(Edited by Claudia Salwiczek, DTI)
From news reports
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According to a survey by the
Japanese newspaper Yomiuri
Shimbun, more than half of
private dental colleges and
schools across Japan fell short
of enrolment quotas for the
academic year. Three schools
even saw enrolment fall by
40 per cent, which numbers
between 35 and 43 students.
The number of people who
took entrance examinations
for private dental colleges or
schools this year was 4,973,
a sharp fall from over 10,000 in
previous years.
•
•
•
•
According to major prep
schools and other sources, the
biggest reason for the fall in enrolment is a belief that the nation has a surplus of dentists.
In 1990, there were 74,000 dentists, the number of which rose
each year to 97,000 in 2006; yet,
there was no rise in total dental
care costs over this period.
This led to excessive competition among dental clinics.
The fall in enrolment is
expected to hurt finances at
dental schools because of a
decrease in income streams,
such as students’ enrolment
fees and initial payments for
the freshmen year, which are
usually between US$72,000
and US$10,000 per student.
The Japanese Association of
Private Dental Schools plans to
investigate possible countermeasures, out of fear that the
shortage could lead to the collapse of the nation’s dental care
system.
Observers say it will be difficult for colleges and schools
to draw up effective countermeasures to reverse the situation any time soon. Commenting on the issue, Toshikazu Yasui, Vice Chairman of
the Japanese Association of
Private Dental Schools, told
Yomiuri Shimbun, “We had anticipated some fall in enrolment but not anything like this.
We’re going to have to explain
to the public how important
dental care is.” DT
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[4] =>
untitled
DTAP0409_04-05_WorldNews
4
30.04.2009
16:04 Uhr
Seite 1
DENTAL TRIBUNE Asia Pacific Edition
World News
Spun-sugar fibers spawn sweet
technique for nerve repair
Emil Venere
USA
The image on the left, taken with a scanning
electron microscope and artificially coloured,
shows the sugar strands in yellow and the
polymer coating in blue. Images on the right,
taken with the same instrument, show a side
view of the tubes and tiny pores that are ideal
for supplying nutrients to growing nerve cells
and removing waste products from the cells.
(DTI/Photo Purdue University)
AD
WEST LAFAYETTE, IN, USA: Researchers at Purdue University in
the United States have developed
a technique using spun-sugar filaments to create a scaffold of tiny
synthetic tubes that might serve as
conduits to regenerate nerves severed in accidents or blood vessels
damaged by disease. The sugar filaments are coated with a corn-based
degradable polymer, and then dissolved in water, leaving behind
bundles of hollow polymer tubes
that mimic those found in nerves,
said Riyi Shi, an associate professor
in Purdue’s Weldon School of Biomedical Engineering and Department of Basic Medical Sciences.
The scaffold could be used to
promote nerve regeneration by
acting as a bridge placed between
the ends of severed nerves. The approach also might have applications in repairing blood vessels
damaged by trauma and disease
such as atherosclerosis and diabetes, Shi said.
The researchers are initially
concentrating on the peripheral
nerves found in the limbs and
throughout the body because
nerve regeneration is more complex in the spinal cord. About
800,000 peripheral nerve injuries
are reported annually in the United
States, with about 50,000 requiring
surgery. The new approach represents a potential alternative to the
conventional surgical treatment,
which uses a nerve ‘autograft’
taken from the leg or other part of
the body to repair the injured
nerves. Researchers are trying to
develop artificial scaffolds to replace the autografts because removing the donor nerve causes
a lack of sensation in the portion
of the body where it was removed.
The first step in making the
tubes is to spin sugar fibers from
melted sucrose. “It’s basically like
making cotton candy,” said biomedical engineering doctoral student Jianming Li, who is a member
of Shi’s research team. The sugar
filaments were coated with a polymer called poly L-lactic acid.
After the filaments were dissolved,
hollow tubes of the polymer remained. The researchers then
grew nerve-insulating cells called
Schwann cells on these polymer
tubes. These cells automatically
aligned lengthwise along the
tubes, as did nerve cells grown on
top of the Schwann cells.
Nerve cells grew not only inside
the hollow tubes but also around
the outside of the tubes. “This finding is important because the increased surface area may accelerate the regeneration process following an accident,” Li said.
The researchers also discovered that the polymer tubes contain pores that are ideal for supplying nutrients to growing nerve
cells and removing waste products
from the cells. The work was done
using cell cultures in petri dishes,
but ongoing work focuses on implanting the scaffolds in animals.
“The method for creating the
scaffolds is relatively simple and
inexpensive and does not require
elaborate laboratory equipment,”
Shi said. “We used the same kind of
sugar found in candy and a cheap
polymer to make samples of these
scaffolds for a few dollars. The
process easily lends itself to mass
production. It is a unique idea, and
the simplicity and efficiency of
this technology distinguish it from
other approaches for nerve repair.”
A provisional patent application on the material has been
filed. DT
(Edited by Daniel Zimmermann, DTI)
[5] =>
untitled
DTAP0409_04-05_WorldNews
30.04.2009
16:04 Uhr
Seite 2
DENTAL TRIBUNE Asia Pacific Edition
World News
5
Research adds colour to gum disease detection
Renee Cree
USA
Dentists at Temple University’s Maurice H. Kornberg
School of Dentistry in the United States have found that a simple colour-changing oral strip
can help detect gum disease in
a patient more quickly and easily than traditional screening
methods.
According to lead researcher
Dr Ahmed Khocht, DDS and Associate Professor of Periodontology, test results among 73 patients have shown a strong correlation between the patients with
gum disease detected by traditional clinical evaluation methods and those detected with the
oral strip, suggesting the strips
would be a comparable screening method.
The colour reaction was
scored based on a colour chart
and the scores were compared
with scores from the plaque
index, gingival index, attachment levels and bleeding on
probing.
“The strip changes from
white to yellow depending on
levels of microbial sulphur compounds found in the saliva,” said
Dr Khocht. “A higher concentration of these compounds means
a more serious case of gum disease, and shows up a darker
shade of yellow.”
Because periodontal disease
can affect a person’s overall
health, it’s important to have a
screening method like the oral
strips that is quick and easy for
clinicians to use, according to Dr
Khocht. “The faster we can find
out the disease is present, the
sooner we can begin treatment,”
he said. “And because the strips
can change colour, they can also
act as a benchmark to help doctors find the right treatment for
their patient and monitor their
progress.” DT
(Edited by Daniel Zimmermann)
AD
Stains
mistaken
as tooth
decay
LONDON, UK: Stains on teeth
are often mistaken for signs of
decay, according to new research. A study of 200 private
dental patients in the UK found
that in over 60 per cent of cases,
stains that were hard to remove
were mistaken for decay. The
stains were only identified using
an advanced device that cleans
teeth with a blast of fine abrasive
particles.
Dental researchers examined a particular ‘premolar’ situated between the front and back
teeth and found signs of decay in
78 per cent of cases. But 63 per
cent of them turned out to be false
alarms when they were examined again, using the CrystalAir
abrasion device instead of mirrors and scrapers. The research
suggests that stained teeth may
result in dentists drilling unnecessarily.
Dr Robin Horton, from the
Wayside Dental Practice in Harpenden in Hertfordshire, who coled the study, claimed that “traditional dental check-ups have led
to unnecessary dental treatment
for millions of patients.” The
CrystalAir abrasion device blasts
away dirt, debris and stains using
a narrow stream of aluminium
oxide particles propelled by helium. It is used in conjunction
with a laser probe that can detect
deeply hidden decay by shining
a light beam through the tooth.
The research found that using
the two systems together was
70 per cent more accurate in
picking up decay than traditional
techniques. DT
Dental Tribune
welcomes comments,
suggestions
and complaints at
feedback@
dental-tribune.com
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[6] =>
untitled
DTAP0409_06-07_WorldNews
6
30.04.2009
16:05 Uhr
Seite 1
DENTAL TRIBUNE Asia Pacific Edition
World News
Games technology to help
in future dental training
(DTI/Photo Nintendo, Background -baltik-)
Ray McHugh
UK
GLASGOW, UK: Dentists of
the future could be using
games technology to hone
their clinical skills. Three final-year dental students at the
University of Glasgow Dental
School have developed the
concept of using Wii technology to help dental students
practise their operative skills.
The students were announced
the winners of The Dental Inno-
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Whether clinicians are just starting
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Nobel Biocare is the world leader
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For more information, contact
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vation Technology Ideas Award
last week. The competition
challenged final-year students
to develop an idea for a new
piece of technology or innovation in the dental field.
The winning idea suggests
the use of the Nintendo Wii
console and special software to
simulate operative techniques.
The wireless controllers would
be used by dental students to
control the handling of instruments on a virtual patient on
the screen. The controllers
would also be used to provide
sensory feedback to the user.
“Simulation of clinical procedures is normally carried out
in the operative techniques
lab. However, dental students
sometimes have limited opportunity to practise their techniques outside of the lab,” said
Dr David Watson of the University of Glasgow Dental School.
“The use of Wii technology
could be a really innovative
and cost-effective solution
which students could use to
improve their manual dexterity.”
There is considerable research to back up the concept
of using video games to improve dentists’ coordination,
and the Wii-based application
would complement the simulation technology already used
in dental schools worldwide,”
Dr Watson added.
The students—Pearse Hannigan, David Lagan and Adam
Gray—were presented with a
cheque for £300 and a glass
obelisk by Craig Leaver, CEO
of Dental Innovation, the competition sponsor.
Leaver said: “We received
over 40 entries for the competition, all of which were of an extremely high standard. The
judging panel were impressed
by the depth of research and
hard work which had gone into
the submissions, which made
it very difficult to choose an
outright winner. However, we
were struck by the inventiveness of adapting an existing
piece of technology in a very
novel way.”
“We are absolutely delighted that Glasgow Dental
School has given us the opportunity to host this annual
award,” he added. “As more
dental practices become reliant on digital systems, it is
vital that students are up to
speed with the latest technologies. We hope the award will
inspire them to think about
how technology can be applied in practice for greater efficiency and better patient
care.” DT
(Edited by Daniel Zimmermann)
[7] =>
untitled
DTAP0409_06-07_WorldNews
30.04.2009
16:05 Uhr
Seite 2
DENTAL TRIBUNE Asia Pacific Edition
Business
7
US demands data on
older medical devices
Reuters
WASHINGTON, DC, USA:
US regulators have ordered
makers of 25 types of medical
devices to supply safety and effectiveness data so the US government can decide whether
the products must undergo
the most stringent review
process. The order addresses
complaints that the Food and
Drug Administration had allowed some devices that
were sold before 1976 without
agency approval to remain on
sale without a thorough evaluation.
The devices include metal
hip joints, dental implants and
screws used for spinal surgery,
an FDA notice said. The FDA
oversees medical devices
ranging from simple bandages
and tongue depressors to the
most complex products such as
pacemakers and heart-valve
replacements. Each is classified based on the level of risk to
patients. The most dangerous
are labeled “Class III” and subject to the most rigorous level
of review.
Some Class III devices that
were on the market before 1976
were allowed to go through a
less stringent evaluation while
the FDA developed regulations
to address them or decided
they were less risky.
In January, the Government Accountability Office
criticized the FDA for failing
to complete work on all of the
pre-1976 Class III devices
more than three decades later.
The GAO, a watchdog arm
of Congress, urged the FDA to
“expeditiously” deal with the
remaining products. The order
is the first step toward completing that process, FDA officials
said.
“We are now committed to
addressing this quickly,” Kate
Cook, associate director of regulation and policy in the FDA’s
device center, said in an interview. DT
Nobel Biocare wins patent
ruling in Germany
“Nobel Biocare said it had
obtained a positive decision
from the German Federal
Patent Court invalidating all
relevant claims of Materialise’s patent, which according
to Materialise, is infringed by
Nobel Biocare’s NobelGuide
software,” Nobel Biocare said
in a statement.
This NobelGuide screenshot shows a 3-D scene and cross section. Materialise in
the US says the software infringes their own patents. (DTI/Photo Nobel Biocare)
Reuters
ZURICH, Switzerland: Swiss
dental implant maker Nobel
Biocare said it had won a Ger-
man court ruling in a patent
infringement case brought by
Materialise Dental in relation
to Nobel Biocare’s NobelGuide
software.
Nobel Biocare expects the
Higher Regional Court Duesseldorf to rule favourably on
its appeal against the first decision of the Lower Regional
Court Duesseldorf in August
2007, which found Nobel Biocare had infringed Materialise’s patent.
Last month, Nobel Biocare
won a ruling in a US litigation
with Materialise. DT
Dental biomaterials market
growth to continue despite
challenging 2009, report says
Although dental biomaterials are being used in a growing
proportion of dental implant
procedures, the market for these
products will be dampened by
the global financial crisis in the
coming years as many patients
postpone dental implant procedures or choose less expensive
alternatives such as crowns.
This is the conclusion of the US
Markets for Dental Biomaterials
2009 report from Millennium
Research Group, a global authority on medical technology
market intelligence and leading
provider of strategic information
to the health care sector.
The US market for dental
biomaterials continued to grow
in 2008 due to several significant
market events: BIOMET 3i’s
Endobon and NovaBone’s NovaBone were launched in the
US in the second quarter of 2008;
the US import ban on Straumann’s Emdogain and BoneCeramic we lifted in August,
making these products available toward the end of the year;
Curasan’s dental business was
purchased by RIEMSER Arzneimittel, a German pharmaceutical company; Regeneration
Technologies and Tutogen Medical merged and now operate
under the new name RTI Biologics; and Lifecore Biomedical’s
dental division merged with
Keystone Dental following Lifecore Biomedical’s acquisition by
Warburg Pincus.
“These events supported
market expansion in 2008 and
highlight the revenue potential in the dental biomaterial
space,” says Kevin Flewwelling,
Manager of the Orthopedics division at MRG. “Although 2009
will be a challenging year
for dental biomaterial sales,
market growth will continue
through 2013.” DT
GlaxoSmithKline Consumer Healthcare is to provide
three US$75,000 unrestricted
research grants to researchers
at the University of Melbourne
School of Dental Science in Australia, as well as the Baylor College of Dentistry and the University of Washington School of
Dentistry in the US. The awards
are administered by the International Association for Dental
Research.
China Medicine Corp. in
Guangzhou in China has increased its fourth quarter revenues by 51.2 per cent to US$24.4
million. The company, which
distributes dental and medical
products in China, also increased its net income by 26.6 per
cent to US$3.5 million.
Philips Electronics India
Ltd. has begun marketing products for the treatment of obstructive sleep apnoea, in India.
The firm is a subsidiary of
Royal Philips Electronics in
the Netherlands.
The Venetian hotel and casino resort in Macao plans to
open a dental clinic in the facility.
The site will have over 50 dentists, physicians and other healthcare professionals, casino officials said.
The worldwide oral hygiene market in 2008 was worth
US$25 billion, which included
US$2.3 billion in Japan.
Hager Worldwide has announced that it will be moving
from its multi-tiered dealer pricing, which gave margins of 30 to
45 per cent. The firm will now
provide their distributors with
a gross margin of 40 per cent
across the board on its entire line
of 1,350 products.
Straumann in Switzerland
has formed a partnership with
Ivoclar Vivadent in Liechtenstein, through which Straumann
will be able to use Ivoclar’s
proprietary high-performance
IPS e.max ceramic technology.
The financial terms of the agreement have not been released.
Wrigley in the US is sponsoring a contest in which dentists
around the world can submit
photographs that capture “what
makes them smile”. The contest
is being run in conjunction with
the FDI World Dental Federation.
Nobel Biocare in Sweden
has announced the global
launch of its new NobelProcera
system, which includes a new
conoscopic holography enhanced optical scanner. The
scanner uses new 3-D software
developed by BioCad, a Canadian subsidiary of Nobel.
Biolase Technology, Inc.
has announced that its application to transfer the listing of
its common stock from the
NASDAQ Global Market to the
NASDAQ has been approved.
The transfer became effective on
16 April 2009, and the company’s
common stock will continue to
trade under the symbol BLTI. DT
AD
[8] =>
untitled
DTAP0409_08-10_Straumann
8
30.04.2009
16:06 Uhr
Seite 1
DENTAL TRIBUNE Asia Pacific Edition
Business
“Asia Pacific will continue to be a key
growth driver for implant dentistry”
Interview with Frank Hemm, Senior Vice-President of Straumann Asia Pacific
Frank Hemm
Frank Hemm worked as a management consultant for several
years in the health-care industry before he became involved
with Straumann, a worldwide
leading company in implant
dentistry. One of the things that
attracted him to the company
was its drive for purposeful innovation and the improvement
of the quality of patient care,
he says. Dental Tribune Group
Editor Daniel Zimmermann
spoke with him about Straumann’s move to Singapore
and recent developments and
trends in the dental implant
markets in Asia.
Daniel Zimmermann: You
recently moved your regional
headquarters to the Fuji Xerox
Towers in Singapore. What was
behind this decision and how
has the dental community reacted?
Frank Hemm: The Asia Pacific region had been managed
from our corporate headquarters
in Basel up to the middle of 2008
when we decided to establish a
regional headquarters in Singapore. Several factors prompted
the move. In 2007, we acquired
our former distribution partners
in Japan and Korea, which gave
us direct access to the two largest
markets in the region. At the
same time, we acquired a sizeable team that had to be integrated into the Group, which
required management support
and coordination. Furthermore,
the increasing importance of
Asia Pacific as a growth region
encouraged us to expand our regional presence and influence,
to be closer to our customers in
order to better understand and
meet their needs. The reaction of
the dental community to Straumann’s commitment and support has been very positive so far.
The net revenue growth of
your company for Asia was
42 per cent in 2007 compared
with only 21 per cent in Europe
and 16 per cent in the US. In
your opinion, how large is the
market for dental implant solutions in Asia?
Obviously, our growth in 2007
benefited considerably from the
acquisition effect. Nobody really
knows exactly how large the market in Asia is, and estimates vary
widely because there is limited
and India, do you expect to see
a shift of sales away from these
regions?
In absolute terms, Asia Pacific
will lag behind Europe and North
America for some time to come
because the penetration rates
there are significantly higher.
However, in terms of the future
growth potential, especially in
China and India, Asia Pacific will
continue to be a key growth
driver and will command an increasing share of overall sales.
As the market leader in China,
Straumann is well positioned to
take advantage of these growth
dynamics.
In which markets do you
see the largest potential for
growth and why?
In terms of market size, Japan
and Korea will continue to be the
key markets in Asia Pacific in the
short and mid-term. The biggest
growth potential, however, is expected to come from China with
its strong institutional segment
and emerging private sector.
India is also expected to contribute substantially to regional
Improved safety and earlier osseointegration through SLActive. (DTI/Illustration Straumann)
20 per cent before the economic
crisis and are expected to return
to similar levels once the economy picks up. The level of educa-
“The level of education in implant
dentistry amongst Asian dentists
has increased dramatically”
transparency in the sales of the
smaller companies. Suffice it to
say that the market is particularly
attractive for companies that offer integrated dental solutions.
In terms of revenue, Asia is
still behind North America and
Europe. But with the huge potential of countries like China
market growth—partly driven by
medical tourism—even though
average selling prices are lower
than in other markets.
One should not forget smaller
dynamic markets, such as Hong
Kong, Singapore, Malaysia and
Thailand, which achieved annual growth rates of around
Highest quality standards are maintained at the Straumann headquarters. (DTI/Photo Straumann)
tion of many dental practitioners
in these markets—many of
whom have studied abroad—and
the state-of-the-art equipment
and procedures make these
countries well-placed to not only
benefit from strong domestic demand, but also attract an increasing number of medical tourists.
Do you think that Asian
dentists are adequately trained
in implantology, and have you
noticed regional differences?
In Taiwan, for example, there
is currently no registration
procedure for dentists that
want to provide implants.
In the vast majority of countries worldwide, dental implants
are not part of the university curriculum of dental professionals.
This is also the case in Asia
Pacific. Therefore, continuing
medical education provided by
implant manufacturers and others is important. The level of
education in implant dentistry
amongst Asian dentists has increased dramatically in the past
few years and, as already mentioned, an increasing number of
dental practitioners in Asia have
received international educations. Universities in the region,
including the University of Hong
Kong, have also started to offer
master’s courses in implant dentistry.
Patients want safe, reliable
solutions with predictable longterm aesthetic results. In order
to enable dental professionals to
meet these requirements, Straumann engages in a broad range
of educational activities across
all specialisations at all levels of
expertise, such as for surgeons,
prosthodontists, periodontists,
dental technicians and hygienists. These educational activities
are offered in collaboration with
our global academic partner
organisation the International
Team of Implantology (ITI). Both
Straumann and the ITI share the
same passion for science-based
innovation and the highest standard of education with the aim of
promoting the quality of patient
care in implant dentistry.
The ITI furthers expertise in
implant dentistry in many other
ways, including through the
publication of the ITI Treatment
Guides, which are now also
available in Japanese and Chinese.
In order to broaden the pool of
speakers to disseminate expertise on implant dentistry, Straumann also orchestrates speaker
development programmes in
Asia; one of the sessions runs parallel to the Asia Pacific Dental
Congress (APDC).
The pool of highly educated
Asian dentists also fuels a very
active research community in
the region, and our academic
partner ITI has funded a number
research projects from Asia.
Countries like Korea and
China have recently become
more aware of the opportunities that dental implants have
to offer. Are you experiencing
DT page 10
[9] =>
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One-push bonding.
Made by DMG.
NEW
TECO
With TECO, the total etch bonding system from DMG, you have
everything under control. Besides its excellent bonding properties,
TECO stands out with its new, very clever single dose application. In
the DMG-patented SilvR dose the material is activated by simply
pushing the button and can immediately be applied with only one
hand - fast, clean and safe. Additional assurance is provided by the
very user-friendly total etch technology which allows working on
moist surfaces after etching and thus prevents over-drying of the
dentine. If only everything were that simple.
DMG. A smile ahead.
Additional information is available at www.dmg-dental.com
AZ_TECO_DTAP4_0803.indd 1
17.03.2008 13:35:06 Uhr
[10] =>
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DTAP0409_08-10_Straumann
30.04.2009
16:06 Uhr
Seite 2
DENTAL TRIBUNE Asia Pacific Edition
10 Business
DT Page 8
a market size that, depending on
the sources of information, exceeds that of Japan. The Korean
market is highly competitive and
is characterised by many domestic copycat and low-cost competitors. Most have no long-term scientific evidence. We believe the
size of the Korean market is often
overestimated because of the aggressive discounting behaviour
of domestic competitors who
have been flooding the market
with cheap or even free implants,
many of which remain unused in
dentists’ drawers and on shelves.
Such companies that compete
purely on price and offer no
added value are seeing their
business models fundamentally
threatened by the current economic environment.
Hands-on trainings.
(DTI/Photo Straumann)
growing competition in these
markets?
There are some fundamental
differences between Korea and
China. The market penetration
of dental implants in Korea is already very high, comparable to
Italy or Switzerland, resulting in
AD
China in contrast is still at
a relatively early stage of development in terms of implant dentistry and is therefore currently
much smaller. Nevertheless, it
is growing much faster in relative terms. Unlike Korea where
dental implant procedures are
mostly performed by general
practitioners, customers in China are still treated at predominantly government-owned institutions; the private sector is still
emerging.
Have you experienced a
slowdown in the dental market owing to the current state
of the global economy?
Treatment with dental implants is an elective procedure
that in most cases is paid out of
pocket by the patient either
completely or substantially. In
the current economic uncertainty, patients are therefore
postponing treatment, and we
have seen the number of pa-
Because of the current economic environment, many customers have been reducing
their inventories. Also, dental
labs are becoming more hesitant to invest in equipment, such
as CAD/CAM scanners.
However, this is only a temporary phenomenon and will
result in surging demand once
the economy picks up again, as
the patients’ needs for full oral
Straumann sets new standards
in implant dentistry. The hydrophilic SLActive surface significantly accelerates the osseointegration process and delivers faster osseointegration,
higher security, reduced healing times from 6–8 weeks down
to 3–4 weeks, and increased
treatment predictability, and
has broader indications. Globally, SLActive has reached our
penetration target of 30 per
“We are looking forward to introducing
SLActive in China and Korea this year”
tients decrease in many markets. In the current economic
context, patients seeking treatment tend to be more cautious in
evaluating treatment and put
more emphasis on product quality. This favours the few companies like Straumann that
emphasise the highest product
quality, safety and scientific
backing. The quality and experience of the dental professional
performing the treatment is also
becoming a more important
factor for patients.
functionality and aesthetics will
not have disappeared. Furthermore, the consequences of delaying treatment or using a
‘cheap’ solution will cost the patient more in the long term.
Healthy dentition is more than
a consumer product and contributes to long-term quality of
life.
In order to survive in the
future, dental laboratories will
have to automate, consolidate,
outsource or specialise. Investment in CAD/CAM technology
(scanner and/or milling machine) is a sufficient means of
automation to increase productivity. In-lab scanning with
third-party centralised milling
is the only realistic model for the
majority of laboratories.
In the case of Straumann,
50 years of history, evidencebased innovation and the highest quality, resulting in safe, reliable and aesthetic solutions,
allow us to differentiate and
weather the storm.
You will be exhibiting at
the APDC in Hong Kong.
Would you please tell us what
you have in store for the visitors?
I believe the organisers of the
APDC have succeeded in putting
together a very attractive, highcalibre scientific programme.
This will be complemented by
corporate sessions, such as the
Straumann seminar on Sunday
afternoon with Prof. Jürgen
Becker and Dr Frank Schwarz,
who will present their latest
clinical research on concepts
to improve osseo-integration of
dental implants, indicating the
positive effect of the SLActive
implant surface on osseo-integration and the outcome of bone
augmentation procedures in
particular.
In addition, you have announced that you will be introducing the SLActive implant surface and your new
Bone Level Implant to markets in Asia this year. Could
you tell us more about that
and what else dentists can
look forward to in 2009?
Both SLActive and the
Straumann Bone Level Implant
have been introduced in Europe
and North America with overwhelming success. With the scientifically proven benefits of
the SLActive implant surface,
cent of implant units sold. The
SLActive surface has been proven superior to both the TiUnite
and Nanotite surfaces in headto-head pre-clinical studies.
We are looking forward to introducing SLActive in China and
Korea this year, while in all other
Asian markets, except for Japan,
it is already available.
The SLActive surface is
available on all our implants
including the Straumann Bone
Level Implant, which provides
new confidence at bone level
through optimised crestal bone
preservation, simplified handling owing to the new CrossFit
Connection and pleasing aesthetic results thanks to improved soft tissue management.
In its first year on the market,
the Straumann Bone Level Implant has captured a 5 per cent
share of the bone level segment.
The Straumann Bone Level Implant will be introduced in Korea
and China in the next few
months and is already available
in all other Asian markets, except Japan.
With the very successful
Straumann Tissue Level Implant, Straumann now offers a
complete system for all indications that can be used with the
same surgical kit. In the near
future, our Asian customers can
also look forward to the introduction of Straumann CAD/CAM
prosthetics and guided surgical
solutions.
At the IDS in Cologne your
company also announced a
new partnership with Ivoclar
Vivadent that aims to expand
your prosthetic range with
high-aesthetic ceramic materials. When do you expect this
range to be available to dentists in Asia?
We are very excited about
this partnership combining
Ivoclar’s expertise in ceramic
materials and final restorations
with Straumann’s strength in
implant and CAD/CAM solutions. For selected Asia Pacific
markets, we expect a limited
market release in the beginning of 2010, followed by the
full market release during the
course of 2010, pending regulatory approvals where necessary.
Thank you very much for
the interview. DT
[11] =>
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Anschnitt_DIN A3
02.04.2009
10:49 Uhr
Seite 1
[12] =>
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DTAP0409_12_Vibringe
30.04.2009
16:08 Uhr
Seite 1
DENTAL TRIBUNE Asia Pacific Edition
12 Business
Vibringe: The next level of endodontic hand irrigation
(DTI/Photo Vibringe)
Vibringe is the first endodontic irrigation device that
enables easy and safe manual
delivery and activation of the irrigation solution in only one step.
A patented microprocessor inside the handpiece delivers precisely tuned sonic energy to the
irrigation solution to be injected
in the root canal. According to the
company, the sonic flow within
the solution enriches and completes the irrigation procedure,
improving the success rate of
the conventional irrigation procedure and, therefore, the
endodontic treatment. Initial
user studies have shown that
more than 80 per cent are convinced of the product’s benefits.
which makes the outcome of
endodontic treatments less predictable. The average endodontic failure rate is still over 40 per
cent and, in 50 per cent of these
cases, the failure is caused by
poor irrigation.
Conventional irrigation techniques may seem easy, but they
are hindered by a lack of visibility and the always complex and
unique root canal structure,
With its aesthetic appeal and
an LED light for patient comfort,
the lightweight and cordless design makes the Vibringe a handy
device for the endodontic prac-
AD
FDI Annual World Dental Congress
2 -5 September 2009
Singapore
tice. The sonic flow technology
ensures that air and debris blockages are removed effectively, and
aids the irrigation solution in
reaching and disinfecting all portions of the canal to the apex.
Owing to the downward and upward motion of the irrigation solution, tissue residues and debris
in the finest lateral canals and
tubules are loosened and transported out of the canal.
The Vibringe can be used for
all endodontic irrigation procedures and is compatible with all
the irrigation solutions available
on the market. When used correctly with endodontic needles
(side-end opening), it can also
prevent solution and debris being expressed through the periapical foramen. DT
Progressive
Orthodontics
starts Case
Competition
Daniel Zimmermann
DTI
LEIPZIG, Germany: Progressive
Orthodontic Seminars, a global
orthodontics education provider
in the US, has announced the
start of their first Orthodontic
Case Competition. The contest is
available online at the website
progressivecasecompetition.com
and open to general practitioners
around the world to show off their
cases, comment in discussions
and vote for a deserved winner.
According to the company,
orthodontic cases have to be submitted by 1 June 2009 for review on
their forum. The prize is $500 credit
towards any of Progressive Orthodontics or Progressive Dentistry’s
premium CE seminars, including
their popular seminars in Advanced Ortho, Endo, Pain Management, Extractions and Implants.
The winner will be determined
75 per cent by viewers’ votes and
25 per cent by expert and company
founder Dr Don McGann.
“We are excited to showcase the
quality ortho that GPs can do and
create community discussion to
elevate the work in the field,” Dr
McGann said. “We urge everyone
to participate in what we feel will
become a prestigious and popular
competition.” He added that dentists who’d like to integrate quality
orthodontics into their practices
can win a free seminar from the
company’s Comprehensive Orthodontic Series by entering the Impressed Viewer Raffle.
congress@fdiworldental.org
www.fdiworldental.org
Progressive Orthodontics is
offering a number of orthodontic
seminars in Singapore this year.
Their programmes will be joined
by leading instructors, such as
Dr Swaroop (USA), Dr Hymer (Australia), Dr Hagens (Holland), and
Dr Tossolini (Argentina). The company also offers their programme
in Australia and New Zealand. DT
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DTAP0409_13-14_Ivoclar
30.04.2009
16:09 Uhr
Seite 1
DENTAL TRIBUNE Asia Pacific Edition
Trends & Applications 13
More power, shorter
curing times—does
that make sense?
Dr Arnd Peschke
Liechtenstein
dence of this trend. Does the
trend make sense?
Currently in dentistry, there
is an evident trend towards
easier and faster applications, as well as shorter reaction and processing times.
The curing time of highpower curing lights is evi-
Yes, depending on how
users interpret this trend and
how they benefit from it. For
example, bluephase 20i offers
a cordless, high-performance
LED light that features an emission spectrum similar to halo-
gen and a maximum light intensity of 2,000 mW/cm2 (Fig. 1).
The unique ‘poly-wave’ technology of the bluephase family
allows consistent curing of all
composites regardless of the
initiator system used and offers,
above all, a reliable restorative
therapy owing to its high intensity. A positive side effect is
Fig. 1: Maximum intensity of 2,000 mW/cm2 with the Turbo programme of
the new bluephase 20i.
that curing is achieved in a relatively short time (Fig. 2).
Fig. 2: Owing to the use of blue and violet LEDs, bluephase 20i emits a broad light spectrum of 380 to 515 nm similar to that of halogen lights. Bluephase 20i can therefore be used without clinical limitations and at any time, for all light initiators and materials.—Fig. 3: The amalgam restoration of tooth 25 needs to be replaced
because of secondary caries.—Fig. 4:The cavity is filled with Tetric EvoCeram.As the steel matrix and contact point instrument prevent some of the light reaching the
restoration, the power reserve of bluephase 20i is very valuable. After removal of the contact point instrument, the occlusal aspect of the restoration is polymerised
again for 5 seconds, in order to ensure complete curing in this situation.
Fig.5:The completed Tetric EvoCeram restoration.—Fig.6:Four easy-to-use programmes:Turbo for maximum curing,High Power for fast polymerisation,Low Power
for curing areas near the pulp and Soft Start for stress-reduced polymerisation.—Fig. 7: The anterior restorations need to be replaced because of secondary caries.
Bluephase 20i thus allows
certain composites, such as
Tetric EvoCeram and IPS Empress Direct, to be polymerised
in just 5 seconds (Figs. 3–5).
Other materials are polymerised in 10 seconds at most.
It must be emphasised that the
maximum capacity of bluephase 20i does not need to be
applied in every situation;
rather, the intensity of 2,000
mW/cm2 offered by the Turbo
programme should be viewed
as a hidden reserve that can be
used if needed in particular situations.
In order to prevent overheating the tissue, the Turbo
programme is limited to 5 seconds. This is an additional
measure to increase the reliability of the treatment. Should
a user not be comfortable with
the curing times of the Turbo
programme because of concerns regarding polymerisation stress forming in the composite, he or she can use the
High Power programme (1,200
mW/cm2), the Low Power programme (650 mW/cm2) or the
Soft Start programme, which
features a reduced intensity (at
most 650 mW/cm2) for the first
five seconds and then emits
an intensity of 1,200 mW/cm2
to ensure complete curing
in the following 10 seconds
(Figs. 6–9).
Particularly in the case of
indirect restorations, bluephase 20i offers a more reliable
penetration of the ceramic
restoration and more confidence of thorough curing of the
luting composite than weaker
lights owing to its optional high
intensity (Figs. 10–13).
Fig. 8: The prepared teeth are restored separately using IPS Empress Direct. In order to keep the heat development close to the cavity in the anterior area low and to
ensure stress-reduced polymerisation, the Soft Start programme of bluephase 20i is used.—Fig. 9: The IPS Empress Direct restorations directly after the treatment.
—Fig. 10: Tooth 26 after a root canal treatment and provisional sealing. The tooth is to be restored with an IPS e.max CAD HT inlay.
Fig. 11: A composite build-up was applied to the tooth, which has been prepared for image-taking for the fabrication of an IPS e.max CAD HT inlay in a way that
maintains the tooth structure.—Fig. 12: Placement of the IPS e.max CAD HT inlay, with OptraDam in place. The composite margin is covered with Liquid Strip.
In this case, a large amount of light energy is required to penetrate the air block and the ceramic and to ensure sufficient curing of the luting composite. The Turbo
programme of bluephase 20i provides enough energy for this.—Fig. 13: The completed IPS e.max CAD HT restoration.
Of course, nobody will plan
for a shorter treatment time for
their patients just because the
application time of their new
adhesive is 10 seconds shorter
than that of the previous adhesive or because the curing
time per composite increment
is reduced from 40 to 10 seconds. However, the time-saving capacity of bluephase 20i
is a factor worth considering
in the case of indirect restorations, where up to 30 seconds of curing for each aspect
and millimetre of ceramic
DT page 14
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DTAP0409_13-14_Ivoclar
30.04.2009
16:09 Uhr
Seite 2
14 Trends & Applications
DENTAL TRIBUNE Asia Pacific Edition
DT Page 13
thickness may be saved compared with a halogen light.
Despite the impressive
power of the Turbo programme, bluephase 20i is suitable for continuous operation,
as the fan is virtually noiseless
and does not require mains operation because of its powerful
battery. Should the battery run
low nonetheless, the batteryoperated light can be transAD
Fig. 14: Waiting times due to an empty battery are eliminated thanks to the Click & Cure function. For a smooth work procedure in the practice, the handpiece can be
attached to the mains cord of the charging base at any time.
formed into a mains-operated
unit immediately, by simply attaching the cable of the charging base to the bluephase 20i
handpiece (Click & Cure option; Fig. 14).
Other, less obvious features
complete the ergonomic and
technically elaborate design
of bluephase 20i. An example
is the integrated movement
sensor, which allows the unit
to switch to the power-saving
stand-by mode when not in
use, switching automatically
back into operation as soon as
the user touches the unit.
The bluephase 20i sets the
standard with its performance
and handling; it can be compared to a car with a powerful
engine and numerous, elaborate technical features that
improve safety and comfort.
Just as a powerful car needs
to be handled responsibly, the
high power of bluephase 20i
should not be understood as
an invitation to ‘speed’ permanently in the Turbo programme. Rather, it is intended
as a means to ensure that the
required resources are available if needed. The added performance therefore fulfils a
purpose. It is up to the user to
employ the versatility and the
full potential of bluephase 20i
according to specific needs, in
order to improve efficiency in
the practice routine. DT
Contact Info
Ivoclar Vivadent AG
Dr Arnd Peschke
Bendererstrasse 2
9494 Schaan
Principality of Liechtenstein
Tel.: +423 235 3535
Fax: +423 235 3360
www.ivoclarvivadent.com
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A3-out.pdf
C
M
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CM
MY
CY
CMY
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4/14/09
5:16:05 PM
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DTAP0409_16_Banoczy
30.04.2009
16:27 Uhr
Seite 1
DENTAL TRIBUNE Asia Pacific Edition
16 Trends & Applications
“Dentine hypersensitivity is not a new disease”
Interview with Dr Jolán Bánóczy, Hungary
School (Bristol, UK) in 1983, dentine hypersensitivity is a short,
sharp pain arising from exposed
dentine in response to stimuli
typically thermal, evaporative,
tactile, osmotic or chemical and
which cannot be ascribed to any
other form of dental defect or
pathology. Although sensitivity
can occur in any area on the
tooth, the most common is the
exposure of cervical dentine and
that of the root surface.
Dr Jolán Bánóczy
Dentine hypersensitivity is
recognised as a common dental condition and has been referred to as the ‘common cold
of dentistry’. While worldwide
studies reveal its pandemic nature, significant under-reporting compounds the problem.
Up to 40 per cent of patients do
not consult a dental-care professional about this pain, leaving the condition susceptible
to under-diagnosis. Dental
Tribune Editor Claudia Salwiczek spoke to Dr Jolán Bánóczy,
Professor Emeritus of the Semmelweis University (Budapest,
Hungary), about the basics of
dentine hypersensitivity and
what dentists can do to treat or
prevent the condition.
Claudia Salwiczek: Would
you explain dentine hypersensitivity to our readers in short?
Dr Jolán Bánóczy: Per definition, which was suggested by
Dr Dowell and Prof. Addy of
the University of Bristol Dental
AD
How common is this condition?
Dentine hypersensitivity is
a common clinical finding with
a wide variation in prevalence
values. And it is not a new disease: more than a hundred years
ago, Dr Gysi discussed dentine
hypersensitivity in the dental
literature, describing the fluid
movement in the dentinal tubules. Sixty years later, Prof.
Brännström, Royal School of
Dentistry (Stockholm, Sweden),
as a consequence of decreasing
caries prevalence. On average,
dentine hypersensitivity occurs
in 40 per cent of adult patients.
The age distribution of between
20 to 50 years is considerably
large, peaking between 30 to
40 years, with a significantly
higher number of women being
affected. Among patients who
bleach their teeth, the occurrence can be even higher, reaching 75 per cent. However, only
about 50 per cent of people suffering from dentine hypersensitivity actually consult their dentists or dental hygienists of which
only 50 per cent receive appropriate treatment.
What are the typical symptoms and causes of dentine
hypersensitivity?
As mentioned earlier, the typical symptom is a short, sharp
pain caused by stimuli at the exposed dentine. Two factors generally lead to dentine hypersen-
(DTI/Photo dpaint)
es. Today, the focus has shifted to
the abrasive effect of toothpastes.
This is insignificant on its own
but may be included in the aetiology when combined with other
factors. Erosion is likely to cause
buccal cervical lesions as intrinsic and extrinsic acids may en-
“A combination of management strategies
and treatment yield the best results”
investigated the development
of dentine hypersensitivity and
confirmed the hydrodynamic
theory. Since then, many others
have dealt with the problems of
its symptoms, pathogenesis, differential diagnosis and therapy.
The growing interest today
may be attributed to improving
oral health and to the presence
of more teeth at an older age
sitivity: dentine exposure and the
opening of dentinal tubules.
Dentine may be exposed
through gingival recession, the
loss of enamel or periodontal tissues, resulting from a combination of physical and chemical
forces. For a long time, dentine
exposure was thought to be the
result of inadequate oral hygiene
techniques, namely toothbrush-
hance the abrasive impact of
toothpastes and open the dentinal tubules by removing the
smear layer.
Abfraction can also damage
the teeth. Owing to stress on gingival edges, apatite crystals at
the cervical area become more
susceptible to chemical (erosion) and mechanical (abrasion)
forces, resulting in wedge-
shaped defects, especially on canines and premolars.
Tooth wear caused by erosion, abrasion and abfraction is
a slow process, cumulating and
usually undetected over many
years. Over time, all these forces
may lead to the opening of dentinal tubules, which is the key factor of dentine hypersensitivity.
What should practitioners
do and what are the best treatment options?
Practising dentists should be
aware of the possibilities of
treatment, managing strategies
and prevention. The response
to dentine hypersensitivity has
been largely treatment based
for decades. Our present knowledge suggests that a combination
of management strategies and
treatment yield the best results.
A differential diagnosis and the
identification and elimination of
aetiological and predisposing
factors are indispensable.
The two treatment options for
dentine hypersensitivity are the
occlusion of the dentinal tubules,
thereby blocking the hydrodynamic mechanism, and the
blockage of neural transmission
at the pulp. Management methods, agents and materials can be
reversible and non-reversible.
What preventive measurements are available?
As with any other disease,
dentine hypersensitivity can be
prevented. The focus lies on
three areas: oral hygiene, periodontal intervention and the
avoidance of strong bleaching.
New aspects are the appropriate
timing of toothbrushing after
consumption of acidogenic, erosive foods and beverages, as well
as non-invasive (desensitising,
potassium-nitrate/fluoride containing toothpastes) and invasive
(reconstruction with fillings,
coverage of the exposed roots)
treatment options. Continuous
care of patients suffering from
dentine hypersensitivity—in order to prevent more serious consequences (such as irritation of
the pulp)—is advisable.
Thank you very much for
the interview. DT
[17] =>
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090227_WH_AD_LED_297X420:Layout 1 27.02.09 14:22 Seite 1
PEOPLE HAVE PRIORITY
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Welcome to a new technological era: welcome to W&H.
For more information please ask your local dental dealer.
wh.com
[18] =>
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DTAP0409_18-19_Ludwig
30.04.2009
16:28 Uhr
Seite 1
DENTAL TRIBUNE Asia Pacific Edition
18 Trends & Applications
Miniscrews—a focal point in practice
Six-part series by Dr Björn Ludwig, Dr Bettina Glasl, Dr Thomas Lietz & Prof. Jörg A. Lisson—Part III
Figs. 1a–c: Distalisation of the upper molars. Mesial positioning of teeth 16 and 26, showing clear displacement of the canines (a). Walde Frog Appliance (FORESTADENT) anchored to two miniscrews (b).
Distalisation by approx. 6 mm after three months’ treatment, providing sufficient space for the correct repositioning of the canines (c).
Figs. 2a–d: Distalisation of the upper laterals. Miniscrews were inserted in the paramedian region (OrthoEasy, FORESTADENT) (a). OrthoEasy with attached laboratory abutments (b). The Frog Appliance
was lashed to the laboratory abutments (c). Lateral X-ray showing the ideal positioning of miniscrews, laboratory abutments and Frog Appliance (d).
Clinical examples (1)
Horizontal tooth
displacement
Lack of space is one of the main
reasons for the oblique positioning of teeth. One way to solve this
problem is to create the necessary
space. Conversely, premature loss
of teeth or anatomical abnormali-
ties may result in gaps that require
modification for various reasons.
For the correction of horizontal
tooth displacement, miniscrews
can be used, as these produce no
undesirable reactive effects.
Distalisation
The first case (Figs. 1a–c)
presented involves a frequently
encountered problem: the patient’s molars had migrated in
a mesial direction. This resulted
in a marked loss of space in the
region of the canines. The two
treatment options in such a case
are extraction or distalisation. In
this case, distalisation was a viable option and extraction was
unnecessary. Conventional tech-
niques for distalisation (apart
from the use of headgear) require
support from other groups of
teeth. Creating anchorage in this
way has negative reactive effects.
In the example under consideration, it is highly probable that protrusion of the anterior teeth would
have resulted, should a conventional method for distalisation
Figs. 3a–c: Mesialisation of the upper molars. Miniscrews inserted in the paramedian region with laboratory abutments (FORESTADENT) and transverse screw with
hook for a Delaire facial mask (a). Status after transverse expansion and formation of a median diastema (b). Extra-oral view of the appliance with a Delaire mask (c).
Figs. 4a–c: Space closure in the region of the upper anterior teeth. Diagram showing the anchorage principle (a). Baseline situation: The central frontal teeth were
held in place using a steel arch (19 x 25) fixed to a miniscrew with additional frontal dental torque (b). After nine months the anchorage is stable (c).
Figs. 5a–c: Space closure in the region of the upper anterior teeth. En masse retraction with the aid of miniscrews and a Power Arm (FORESTADENT), which has been crimped
here (a). Status after extraction of the premolars, showing OrthoEasy miniscrew (b).The Power Arm is used as a sliding mechanism, in order to distalise the canine further (c).
have been employed. Such negative results can be avoided by the
use of miniscrews.
Miniscrews can be inserted in
the vestibular and—as in this example—palatinal areas. Vestibular insertion of a miniscrew (e.g.
between the premolars) is always
associated with the miniscrew’s
eventual interference with tooth
migration. When this occurs, the
miniscrew must be extracted and
a conventional form of anchorage/blocking (e.g. a ligature)
must then be used. In this case, the
presence of the primary molars
represented a contraindication
for insertion on the vestibular side
of the premolar region. The paramedian insertion of two miniscrews has several advantages.
Firstly, the miniscrews provide
a very solid basis for anchorage
of the distalisation appliance.
Secondly, they will never impede
the movement of the lateral teeth.
Even after successful molar distalisation, they can be used to stabilise the situation achieved for
the remainder of the treatment.
Thirdly, there is no risk of damaging other teeth because of an
unfavourable spatial situation
and/or incorrect insertion.
One disadvantage of the
coupling necessary between
the Walde Frog Appliance used
(FORESTADENT) and the miniscrews (see Figs. 1a–c) is that
cleaning becomes difficult. As
large areas of the mucous membrane are covered, there is the
risk of the development of perimucositis. If this develops further
into peri-implantitis, premature
loss of the miniscrews could
result. A possible future alternative could be the use of ‘laboratory abutments’ (Figs. 2a–d),
which contain no plastics and can
be used to couple the appliance
with the miniscrews entirely
hygienically.
[19] =>
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DTAP0409_18-19_Ludwig
30.04.2009
16:29 Uhr
Seite 2
DENTAL TRIBUNE Asia Pacific Edition
Mesialisation
One of the most problematic
areas of orthodontic therapy is
the correction of the anterior displacement of teeth, and particularly of jaw segments. It could
seem that the availability of
miniscrews means that conventional appliances no longer need
to be used at all. However, depending on the baseline situation
and the nature of the required correction, the use of a combination
of devices and appliances is recommended. This is often advisable and may even be necessary
for biomechanical reasons, such
as in a Class III situation. In the
case shown in Figures 3a to c,
forced transverse expansion of
the palatine suture was used in
combination with mesial traction,
applied by means of a Delaire facial mask. The support provided
by two miniscrews inserted in the
paramedian region redirected
the forces of sagittal and transverse movements almost entirely
onto the bones. Dental side effects
were markedly reduced.
Space closure
Owing to the availability of
miniscrews, new therapeutic
techniques can now be used, particularly for the management of
the partially edentulous situation
that obviates the need for compensatory extractions and the
problem of the loss of stability
of the units used for anchorage
support. It is here that the effect
of Newton’s Third Law is particularly apparent, and the interception of the opposing forces
is a major consideration within
the therapeutic strategy. The
orthopaedic closure of dental
spaces using miniscrews is highly
recommended if:
• there are no alternative, viable
conventional methods and/or
there is insufficient certainty
that these will be effective;
• the extensive use of braces is to
be avoided for cosmetic or functional reasons;
• a short-term treatment or partial
treatment is required that does
not involve correction and realignment of the basic dental
arch;
• asymmetrical treatments are associated with the risk of midline
displacement and the possibility
of compensatory extraction;
• or a suitable dental baseline situation is to be created for preprosthetic treatments.
It is important to note that in
cases in which space closure
treatment is proposed, it must be
ensured that the patient is aware
of not only the costs and risks
of the treatment, but also of the
available alternative options,
such as the use of bridges or implants.
There are three types of space
closure.
Anterior space closure (e.g. in displacement of the lateral incisors)
Orthodontic space closure is
frequently indicated if there is a
gap in the anterior row of teeth,
particularly in the region of the
lateral incisors. The undesirable
effects of conventional therapeutic techniques are the displacement of the midline and/or nega-
Trends & Applications 19
Figs. 6a–c: Space closure in the region of the upper laterals. Baseline situation: Teeth 25 and 27 are free of caries (a). Using miniscrews (OrthoEasy), it is possible to
provide ‘invisible’ treatment (b). Very few elements are required for mesialisation (c).
Figs. 7a–c: Extrusion of a single tooth.Viable lateral incisor following intrusion due to trauma (a). Miniscrew with indirect anchoring of the canine and straight arch
technique, in order to extrude tooth 22 (b). Status after three months (c).
tive inclination of the anterior
teeth. If miniscrews are used for
the stabilisation of the median incisors (Figs. 4a–c), such effects
can be avoided. A stable, rigid
steel arch with a size of at least
0.48 mm by 0.64 mm (19 x 25) attached to two miniscrews inserted in the median or paramedian region can be used to stabilise the anterior teeth. Using the
standard vestibular mechanical
techniques, the gap can be closed
without altering the position of
the incisors.
En masse or canine retraction (e.g.
where the premolars are missing)
Miniscrews can also be used
as an aid in this form of treatment
(Figs. 5a–c). In contrast with the
conventional appliances, there is
no loss of anchorage but rather
a biomechanical benefit in terms
of more favourable direction of
forces. If the miniscrew and the
fitting for the active element (traction spring or elastic chain) are
positioned at the same level as the
resistance centre of the canines,
physical movement of the tooth
(or teeth) is possible.
Space closure in the molar region
(e.g. to avoid the need for prosthetic measures)
Premature loss of the primary
molars has not yet been eradicated despite all the advances
made in prophylactic treatments.
There may be a need for appropriate therapy, particularly in cases
in which the adjacent teeth are not
carious (Fig. 6a–c). What should
the patient be offered—implants,
bridges or space closure treatment? With a view to the realistic
long-term prognosis for the anchorage teeth, conservation of the
surviving natural teeth, and the
minimisation of the effects on
the existing materials, a prosthetic solution would not appear
to be appropriate. The basic concept of restorative dentistry—first
destroy, in order to reconstruct—
is frequently not the best solution.
Let us assume that the strategy
adopted is to mesialise tooth 27,
in order to compensate—using
a natural method—for the loss.
The skeletal anchorage means
that undesirable side effects,
such as reciprocal space closure,
Figs. 8a & b: Extrusion in order to close an open bite caused by tongue thrust, with deterioration of the upper jaw. The aim
was to extrude the upper frontals over the miniscrew in the lower jaw (a). Status after twelve months (b).
Figs. 9a & b: Intrusion in order to close a tongue and skeletal open bite. Intrusion of the molars was effected using a
Titanol Uprighting Spring (FORESTADENT) (a). Status after six months (b).
are avoided. Only a few elements
(brackets, springs etc.) are needed to support the mesial movement. The treatment remains invisible to the casual observer,
while in comparison with the
stated alternatives, it is very costeffective and provides for a high
level of conservation of the natural elements. The prognosis for
the long-term preservation of the
natural teeth is very good.
Vertical tooth displacement
Any displacement of the teeth
along the vertical axis can present
a cosmetic and/or functional
problem. The solution is extrusion or intrusion using skeletal
anchorage. This technique is very
simple to implement and very
cost-effective.
Extrusion
Extrusion using miniscrews
may be used for single teeth
(Figs. 7a–c) and for groups of
teeth (Figs. 8a & b). Trauma had
caused the intrusion of tooth 22
(Figs. 7a–c). The tooth was returned to its original position
within three months by means of
the indirect anchorage of tooth 23
to a miniscrew using a straight
wire appliance. In the case of
a bite that exposed tongue and
bone (Figs. 8a & b), the approach
adopted was to provide transverse
expansion and extrusion of the
anterior teeth. Intermaxillary
rubber traction braces connected
to miniscrews in the lower jaw
were used. If the braces had been
connected to the lower anterior
teeth, undesirable extrusion of
these would have resulted (every
action has an equal and opposite
reaction). Because of the small
root surface, this process would
have occurred in a much shorter
space of time than in the case of
the upper anterior teeth. The opposing bone in the lower jaw prevented this undesirable reactive
effect.
Intrusion
This open bite with extrusion
of the tongue (Figs. 9a & b) was
treated by means of intrusion of
the molars and consequent caudal rotation of the maxilla. Miniscrews were inserted in the first
and second quadrants in each
case between the canine and the
first premolar. A Titanol Uprighting Spring (FORESTADENT) was
attached to the capstan of the
miniscrew, and the screw was
set to intrusion. There was even
some overcorrection of the positioning of the first molars on both
sides after five months’ intrusion,
resulting in closure of the frontal
bite.
Conclusions
It may be necessary for therapists to overcome logistical and
emotional barriers before they
can begin to employ miniscrews,
but it is only when they are used
that their versatility becomes apparent. Miniscrews make our routine work that much simpler. They
enhance the efficiency and effectiveness of many dental appliances, resulting in an overall improvement in treatment quality. DT
Contact Info
Dr Björn Ludwig
Am Bahnhof 54
56841 Traben-Trarbach
Germany
Tel.: +49 65 41 81 83 81
Fax: +49 65 41 81 83 94
E-mail: bludwig@
kieferorthopaedie-mosel.de
[20] =>
untitled
DTAP0409_20_Offtime
30.04.2009
16:35 Uhr
Seite 1
DENTAL TRIBUNE Asia Pacific Edition
20 Off time
(DTI/Photo iofoto)
“Teeth and ice hockey sticks
do not go well together”
Interview with Dr Bendicht Scheidegger and Dr Hans-Peter Frei
When Dr Frei was chosen to
lead the emergency dental unit
during the Championship, he
asked me to draw up plans for it.
The 32 games played over the
17 days of the Championship are
equal to a season of the Swiss Ice
Hockey League. Besides the injuries in the games, we also treat
players during training sessions,
as well as all the other staff members of all eight qualified teams.
In total, we provide dental care to
300 to 400 people—which is quite
a workload!
Our team consists of Dr Frei,
Marco Frei, two assistants and
me.
Dr Bendicht Scheidegger (DTI/Photo
Johannes Eschmann)
Dr Hans-Peter Frei (DTI/Photo Dr
B. Scheidegger)
Currently, 400 ice hockey players are battling for an Ice
Hockey World Championship
victory in Bern in Switzerland.
Dental and facial traumas during the games are frequent.
Dental Tribune Switzerland
Editor-in-Chief Johannes Eschmann took a look behind the
scenes where he spoke with
Dr Bendicht Scheidegger und
Dr Hans-Peter Frei who are
leading the emergency dental
unit at the Championship.
Johannes Eschmann: Dr
Scheidegger, how did you become involved in this year’s
Championship?
Dr Scheidegger: From 2005
to 2008, I assisted Dr Hans-Peter
Frei, who is a dentist for the
Swiss hockey club SC Bern. His
practice provides dental services
during league games, which is
where I had the opportunity to
treat several emergency cases.
Are you paid for your services?
Dr Scheidegger: Our work
during the Championship is voluntary, and we are only paid
for certain treatments and our
expenses. But as a fanatic ice
hockey fan, I benefit through being able to watch all the games.
Ice hockey is a full-contact
sport and body and board
checks, as well as sticking
the opponent, occur regularly
throughout a game. Fist fighting is also part of the game’s
culture and can result in tooth
fractures or even tooth losses.
Which injuries are the most
common?
Dr Scheidegger: Generally,
teeth and ice hockey sticks do
not go well together. However,
unusual accidents also happen
occasionally, for example, when
a skate runner breaks off a maxillary central incisor. Physical
impact comes from all parts of
the opponent’s equipment and
even collision with a helmet can
mean work for us. Luckily, accidents caused by direct hits with
the puck are very rare but when
they do occur, they cause serious
damage. Soft-tissue injuries and
crown fractures without pulp
exposure, however, are very
common.
How does the dental emergency unit work?
Dr Scheidegger: During a
game, we have to decide quickly if the player needs further
treatment or is able to play. What
we can do on-site, for example,
is treat intra-oral soft-tissue injuries caused by blows to the
mouth guard, and seal open injuries of the dentine. After dislocations and avulsion, bones are
immediately set and splinted in
the dental office. Fractures without pulp exposure are treated
either provisionally or later in
the dental office.
Does treatment usually continue after
the games?
Dr Scheidegger: Owing to
the charged environment, players are very resistant to pain during a game. In the dental chair,
this changes immediately. If we
decide upon a special treatment,
we admit the patient to our practice in Bümpliz near Bern, where
another dentist is on standby.
When injuries turn out to be
more serious than originally appeared, we treat the patient either after the game or the next
day when the practice opens.
When does final treatment
take place?
Dr Frei: In most cases after
the end of the player’s career.
We do not take special measures
here and act in accordance with
traumatology guidelines.
Do you cooperate with the
dental clinics of the University
of Bern and do you admit players to them, if necessary?
Dr Scheidegger: Of course.
A player is admitted to the University dental clinic if the jawbone has sustained an injury that
is more serious than a dislocation.
The specialists there can make
decisions and take measures for
which we are not qualified.
Recently,
the lower jaw of Frédéric Rothen, who plays for
the Swiss club Kloten Flyers,
was shattered by a puck. Do
you think that a mouth guard
would have prevented such an
accident or is full facial protection a better solution?
Dr Frei: Teeth need a protective device to prevent dental
trauma. If a player decides not to
wear protection, he will certainly
end up in a dental office during
his career. However, other areas
of the head are more vulnerable,
such as the brain, cervical artery
and the eyes. Concussions are
the most common injuries in ice
hockey and not much is known
about their long-term effects.
Currently, a study in the US is
analysing brains post mortem,
examining brain damage. Another study has confirmed that
mouth guards can reduce the
intensity of concussion through
absorption.
Another important topic is
the protection of the neck. Michel
Zeiter from the Swiss club Zürich
SC was seriously wounded after
his cervical artery was hit by
an opponent. In the National
Mouthguard in situ with impressions for the lower jar.(DTI/Photo Dr Th.Jaeggi)
What do you do when a
tooth is knocked out?
Dr Scheidegger: Teeth that
are fragmented or avulsed are
stored lege artis, for example, in
special tooth rescue boxes like
the SOS Zahnrettungsbox by
Hager & Werken. Avulsed teeth
are set on-site, if possible, and
provisionally splinted while the
player is prepared for transit.
Who pays for your charges?
Dr Scheidegger: All the
players are covered by insurance
and the International Ice Hockey
Federation requires every player
to give proof of insurance. Our
charges are reimbursed through
these insurance policies.
Hockey League in the US, a number of these accidents have already occurred—neck protection is not mandatory in the US.
In Switzerland, neck protection
was recently made non-compulsory.
Although he was playing with
a visor, NHL Star Dan Heatley
almost lost his eyesight during
a friendly match in Bern. His
helm shifted slightly during a
fall and he was hit near the
cheekbone by a puck. Prevention of even such accidents
would require full protection
with a grille or plexiglas and a
mouth guard but, as proven by
the latest play-offs, players will
go to the
extremes to win
a game. A piercing look and a few
missing teeth have a more impressive effect on the opponent
than a grille, which hides facial
expressions. For these reasons,
full facial protection in professional ice hockey is unlikely to be
achieved in the years to come.
In my opinion, however, visors, mouth guards and neck
protectors should be made
mandatory. We also need more
and tougher penalties for checks
against the head, from behind or
against the board. I cannot understand why there are defenders that still use neither visors
nor mouth guards.
Why don’t all hockey players wear mouth guards and
why do insurance companies
or associations not make them
mandatory?
Dr Frei: As far as I know,
all SC Bern players wear mouth
guards during their games but
not during training sessions,
which is when more injuries
definitely occur. Unfortunately,
there are players who still wear
mouth guards from unlicensed
manufacturers that do not offer
sufficient protection.
Convincing insurance companies to make mouth guards
obligatory is a matter that has
not been raised. Periodically, we
ask them to add mouth guards to
the list of expenses they cover for
protection against injury of the
teeth. Unfortunately, our efforts
haven’t been successful.
How can tooth accidents be
prevented and should prevention begin with youth development work?
Dr Scheidegger: In Switzerland, players under the age of
18 have to wear full protection.
Most players, however, remove
their grilles after they reach that
age. Some years ago, SC Bern
Manager Chris McSorley made
players play with full protection
as punishment after a lost game.
Such measures give the wrong
message to players and do not
increase acceptance of full protection.
Thank you very much for
the interview. DT
[21] =>
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DTAP0409_21-22_APDF
30.04.2009
16:37 Uhr
Seite 1
page
1
The 16 FDI / MDA Scientific
Convention & Trade Exhibition 2009
th
Fig. 1: Guest of Honour Dr. Norain Officiating the Trade
Fig. 2
Fig. 3: Registration of participants
Fig. 4
Fig. 5: Participants in the lecture hall
Fig. 6
Dr Darren Yap
Malaysia
2009 kicked off with MDA’s first
event of the year and it was
a cracker. A record turnout
of approximately 550 participants (latecomers had to be
turned away) with a large representation from both the private and government sectors
contributed to its success.
Hotel Istana once again
hosted the event with a trade exhibition of over 80 booths occupying the three halls. Participants thronged the exhibition
in search of the latest products,
bargains and freebies.
Two hands-on sessions initiated the convention on Friday,
16 January which were conducted by the following:
• Dr Leslie Ang: ‘Endodontic Retreatment’
• Dr Daniel Fang: ‘Veneers-How
to’
Datin Dr Norain Abu Talib
once again graced the occasion
with her presence during the
opening ceremony by declaring
open the convention on Saturday
17 January which was attended
by various VIPs of the dental profession from all corners of the
nation. The following were the
speakers and their presentation
topics:
1. Prof. Dr. Lakshman Samaranayake (Johnson & Johnson)
Topic: Managing Biofilms for
Optimal Oral & Systemic
Health
2. Dr Professor Roger Ellwood
(Colgate)
Topic: New approaches to
detection, monitoring and
treatment of early carious lesions
3. Dr Leslie Ang (Dentsply/Servicom/Carl Zeiss)
Topic: Endodontic Retreatment: Master the Science and
Excel in Clinical Techniques
Fig. 7: The Organising Committee
Fig. 8
held with winners walking away
with prizes. Sunday ended with
a 60 minute Q&A session with the
Oral Health Division of the Ministry of Health (MHO). This was a
first of its kind and was very well
received by the attendees. Led by
Datin Dr Norain herself and her
team of representatives from the
MOH, questions and doubts from
the dental fraternity were dealt
with ranging from autoclave
and compressor licensing to toilet doors and illegal dentistry.
Lucky draw prizes were handed
out at the end including a notebook computer, hand phones,
a light cure unit, MP3 players,
DVD player and much more.
Editor APDF/APRO
Dr Suresh Nair
Dr Munir Amro
(Jordan)
Editorial Board
Assoc. Prof. Dr Seow Liang Lin
Advisor
Dr T. S. Jeyalan
Editor’s Office
S-067A Mid Valley Megamall,
58000 Kuala Lumpur, Malaysia
Tel.: +60-3-22873782 / +60-3-22843482
Fax: +60-3-22843482
E-mail: surnair@pc.jaring.my
Secretary General’s APDF/APRO Office
242 Tanjong Katong Road
Singapore 437030
Tel.: +65-63445315 / +65-63442116 /
+65-67347590 / +65-67347591
Fax: +65-63442116 / +65-67349117
E-mail: bibi@pacific.net.sg
4. Dr Daniel Fang (3M)
Topic: To veneer or not to veneer?
5. Dr Gianluca Gambarini
Topic: An introduction to New
NiTi Files (TF Files) & Forward
movement on rotary
6. Dr Geoffrey Speiser
Topic: Practical application
of a breath clinic in a dental
practice
A concurrent oral presentation and poster presentation was
Many thanks to the sponsors,
members of the dental trade,
volunteers from the Dental colleges and others who have contributed in one way or another
to the event. And kudos to the
organising committee led by
Dr V. Nedunchelian. APDF
Imprint
Asia Pacific Dental Federation
Asia Pacific Regional Organisation
of the Federation Dentaire
Internationale
President
Adirek S. Wongsa
Secretary General
Dr Oliver Hennedige
Members
Dr James Chih-Chien Lee
(Chinese Taipei)
Publisher
Asia Pacific Dental Federation
www.apdfederation.org
[22] =>
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DTAP0409_21-22_APDF
page
30.04.2009
16:37 Uhr
Seite 2
2
Digital Dentistry, the challenges and benefits
About the APDF/ICCDE and USM (Universiti Sains Malaysia) Joint Scientific Seminar
Currently, information technology (IT) is an important factor in
every aspects of life which does
not exclude dentistry. With the
technology, dentists can have
better diagnosing tools and more
accurate treatment planning
and techniques with less hassle
and unnecessary procedures. All
these will lead to better and more
efficient service and care for the
patients.
IT can be used in most of expertise in the dental office, from the front
office (patient’s record management) to the lab-work, orthodontics,
maxilla-facial surgery, to the finance
office (on e-payment, etc). The Advanced Medical and Dental Institute
of the Universiti Sains Malaysia
proudly supports the use of modern
and latest technology in providing
state-of-the art service towards patients’ care. This seminar is a joint
seminar with ICCDE/APDF, ensuring that its member countries can
benefit also from this technology.
AD
The Organiser
Invitees
Day 2
The organiser of the joint scientific seminars consists of several
agencies from various background
in the field of dentistry, namely:
1. APDF (Asia-Pacific Dental Federation-South East Asia Region)/
ICCDE (International College of
Continuing Dental Education)
2. MDA (Malaysian Dental Association)
3. Advanced Medical and Dental
Institute (AMDI) Universiti Sains
Malaysia (USM)
4. MAMPU
5. MSC (Multimedia Super Corridor
Corporation, Malaysia)
• Heads of delegates of APDF member countries (around 70)
• Dentists (government and private
practices) from Malaysia and
abroad
• Students (Dental school, dental
nurse academy and others)
• Workshop/Hands-on Training 1
• Workshop/Hands-on Training 2
Theme
Digital Dentistry, the challenges
and the benefits: Exploring IT as
a tool in dentistry
Time
15–16 August 2009
Venue
Penang (Vistana Hotel)
Participation Fee
• RM 350 (Local dentists/Members
of the Malaysian Dental Association)
• RM 200 (Students)
• USD 200 (Foreign dentists)
Program
Highlights
Day 1
• Digital Dental Patient Management
• Digital Orthodontics
• Digital Endodontics
• Digital Maxillo-Facial Reconstruction
• Digital Radiography
• Digital Dental Education
• ICCDE Convocation Ceremony
APDF
News from the
Middle East
Dr Munir Amro
Iraq
1st International Congress
for Yemen Dental Association
Sanna, Yemen, 26–28 November 2008
Under the Patronage of the President of Yemen Republic, his Excellency Ali Abdallh Salih, the congress
opened with the Minister of Health,
Minister of Education and many
presidents of national dental associations and societies from inside and
outside the Middle East present. I as
the Vice President and regional representative was invited for the federation as VIP guest to the 1st International Congress for Yemen Dental Association: held in Sanna the capital
city of Yemen from 26–28/11/2008.
I gave a speech at the Opening
Ceremony of the congressand talked
briefly about the Asia Pacific Dental
Federation, the Asia Pacific Regional Organization APDF/APRO and
ICCDE as well as the benefits of their
membership. I was also talking about
the workshop held in Chennai-India
and other activities of the APDF and
advised the audience to attend the
31st APDC to be held in Hong Kong
from 7–11 May 2009. At the end of
my speech I invited the Yemen Dental Association and the other associations and societies to apply for
a membership to the APDF/APRO.
After my speech three associations
and societies Yemen, Oman and
Qatar applied for the membership
to the APDF/APRO. Others have announced to apply later.
15th Oman Dental Society
Congress & 2nd International
Congress
17–18 December 2008
16th Alexandria
International Dental
Congress (AIDC2008)
Alexandria, Egypt, 28–31 October 2008
I was invited by the Egyptian
Dental Association (EDA) to participate in the Alexandria International
Dental Congress as a speaker. The
Congress was held in the beautiful
city of Alexandria in Egypt.
International Lebanese
Dental Association Congress
16–18 October 2008
(Ordre des Dentistes du Liban)
The Lebanese Dental Association is one of the active members
in the APDF/APRO with president
Dr Karam, and our friend Dr Kalash
the Vice President who represented
his association in the 30th APDC in
Bangkok invited me to represent the
Dr Munir Amro
APDF/APRO at their International
Congress which was held in Beirut,
the capital of Lebanon. I was given
the chance to speak about the federation and the upcoming 31st APDC
Congress in Hong Kong at the closing
ceremony.
Calendar 2009
• 31st Asia Pacific Dental Congress
Date: 7–11 May 2009
Location: Hong Kong
Contact: info@apdc2009.org
• 16th Turkish Dental Association
Dental Congress
Date: 25–27 June 2009
Location: Istanbul, Turkey
Contact: info@sdsam.org; Prof
Murat Akkaya, President of Turkish
Dental Association, bilgi@tdbkongresi.com
• Pharmacy College Conference
Date: 10–12 October 2009
Location: Riyadh, Saudi Arabia
Contact: info@sdsam.org
• Syrian American Canadian
Conference
Date: 14–16 October 2009
Location: Damascus, Syria
Contact: Syrian Dental Association
• Bahrain Dental Society
Conference
Date: 30 October 2009
Location: Bahrain
Contact: bahds@batelco.com.bh
• 6th Gulf Conference
Date: 11 November 2009
Location: Saudi Arabia
Contact :info@sdsam.org
Special thanks to Dr Al Jishi for
helping me gathering this information. APDF
Yours Sincerely,
Dr. Munir Amro
Vice President APDF/APRO
Regional Representative for
the Federation in the Middle East
Tel.: +962 6 566180
Fax: +962 6 5672322
www.edcamro.com
[23] =>
untitled
A_dec_300_A3_E
09.03.2009
10:47 Uhr
Seite 1
Introducing
A-dec 300
A-dec 300™. Another excellent choice from the leader of dental
equipment solutions in North America. Stylish and compact, A-dec
300 is a complete system that fits both small spaces and conservative budgets. With a robust design, great access and minimal maintenance, A-dec 300 is also backed by A-dec’s legendary service and
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a healthy NEW choice for dentistry
Find out why the NEW A-dec 300 is a good choice for your practice.
Contact A-dec at +1.503.538-7478 or visit www.a-dec300.com
[24] =>
untitled
Anschnitt_DIN A3
19.03.2009
9:30 Uhr
Seite 1
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D baaai, UAE
.
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