The Dental Technician Int'l Meeting: A must-attend event is back face-to-face in Dubai / How 3D printing increases value for your patients / New dentine-like material may replace extracted teeth for dental research
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DTMEA_No.2. Vol.13_LT.indd
PUBLISHED IN DUBAI
www.dental-tribune.me
Vol. 13, No. 2
The Dental Technician Int'l Meeting:
A must-attend event is back
face-to-face in Dubai
By CAPP Events & Training
Dubai, UAE: The Dental Technician International Meeting (DTIM)
is part of the “36th Int’l Dental ConfEx CAD/CAM Digital & Oral Facial
Aesthetics” that will take place on
27-28 October 2023 at the Madinat
Jumeirah Arena &
Conference Center. The event will draw
more than 5,000 dental professionals, and DTIM will take place at the
same time and location, making it
AD
an excellent opportunity for dental
technicians to enhance their knowledge and skills.
The CAPP's Dental Technician
Meetings have been held every
year for the past 15 years, and the
15th DTIM represents their expansion. On Friday, 27 October, DTIM
will take part in the main conference with the Round Table Trainings session. The sessions will be
hosted by the most respected
speakers, and regardless of
whether you specialize in crown
and bridge, orthodontics, implantology, or prosthetics, you will learn
a lot during the presentations and
hands-on activities. Attendees will
have the opportunity to attend numerous trainings split into smaller
groups, allowing for personal treatment from the presenters.
On the second day, 28 October,
dental technicians will be able to
attend the main conference sessions. The lecture sessions will
showcase the connection between
the clinic (the dentist) and the lab-
oratory (the technician) through a
multitude of clinical scientific presentations provided by expert dental professionals in the field of
CAD/CAM & Digital Dentistry and
Aesthetics.
DTIM is an event that is suitable
for dental technicians, clinical dental technicians (CDTs), dental lab
owners, dental industry professionals, and dental teams. Attendees will be able to network with
other professionals, share their experiences, and learn about the lat-
est advancements in dental technology.
With the event taking place in
Dubai, attendees can also enjoy the
city's attractions, including worldclass shopping, dining, and entertainment.
For more information
www.cappmea.com/conf-ex.
visit
[2] =>
DTMEA_No.2. Vol.13_LT.indd
LAB TRIBUNE
B2
Lab Tribune Middle East & Africa Edition | 02/2023
How 3D printing increases value
for your patients
By Straumann
Introduction
Customization has been an
integral part of the increasing use
of additive manufacturing in
aesthetic dentistry. Whether it is for
producing
implants,
surgical
guides, or temporary crowns and
dentures, 3D printing has proved
itself to be a valuable method of
creating unique solutions for
patients while cutting back on
costs and time. Perhaps that is why
the global dental 3D printing
market's value of US$2.0 billion
(AED 7.3 billion) in 2021 is predicted
to grow at a compound annual rate
of 25.9% to reach US$15.9 billion
(AED 58.4 billion) by 2030, according
to Grand View Research.1
Guiding a new era
Precision is of the utmost
importance during dental implant
surgery to ensure the ideally
positioned prosthesis for missing
or damaged teeth. However, the
vast differences in each patient's
oral health and jawbone condition
rule out any sort of one-size-fits-all
surgical guide or aid to assist with
such
procedures.
Therefore,
customized bone-, mucosa-, or
tooth-supported guides are often
used to achieve satisfactory
implantation.
Conventionally, such guides are
produced through the milling of
molds. Despite their stability and
accuracy, milled guides result in
wasted material, and this is rather
costly. Furthermore, milling machines typically cannot produce
more than one guide at a time, and
a milling unit costs a clinic anywhere
from
US$20,000
to
US$70,000 on average. These drawbacks can be addressed using
3D-printing technologies such as
stereolithography and digital light
processing, and such 3D printers
can be purchased at a fraction of
the price of a milling device. (The
All photos by Straumann
cost of a milling unit can range
from AED 73,460 to AED 256,660 on
average.)
Reduced costs and time, and
better understanding of the
procedure for patients
Not only are the expenses
reduced for dental professionals
with in-house 3D printers, but the
money saved from outsourcing to
laboratories
with
traditional
machinery can be passed on to
patients. This is due to the reduced
labor and shipping involved when
using digital solutions. The waiting
time for customized parts is also
significantly reduced, as they can
be made in under 20 minutes,
depending on the models. Also,
being able to observe the process
of the surgical models being made,
the patient can better comprehend
his or her surgical procedure.
Fast production with Straumann’s 3D-printing portfolio
Straumann's 3D-printing portfolio consists of a range of 3D printers, accommodating both those familiar with additive manufacturing
and those implementing it in their
dental practices for the first time.
Alongside these printers are the P
cure and the P wash, which take
care of the post-processing of the
3D-printed models. Straumann offers a selection of 3D-printing materials. For example, the PRO Resins
Model X have been engineered to
create strong and precise models.
Nevertheless, the company's 3D
printers have open material systems to reduce experimental restrictions.
The earlier systems in the
Straumann 3D printer series enable
fast in-office production of dental
products such as 3D-printed surgical guides, temporary crowns and
dentures, and splints. The Straumann series of 3D printers can also
be used to fabricate personalized
gingival mask parts and models.
Moreover, these 3D printers offer
an increased printing speed suit-
able for dental laboratories. In a recent case, a 3D-printed temporary
crown of the Straumann P pro
Crown & Bridge composite resin
was fabricated to prevent extensive
bone resorption, severe soft-tissue
regression, and surgical trauma,
enabling a pleasing and aesthetic
restoration for the patient.
The later models, the P30+ and
the P50+, focus on high-capacity
3D printing through automation.
The P30+ has integrated semiautomated printing and increased
output, and the P50+ improves
upon the patented force feedback
technology, increasing print speed.
This is complemented by an
automatic separation module and
automatic material refill, which
optimizes material usage and
printing time.
Printing in a pandemic
The immediacy of 3D printing
has also proved useful in the
COVID-19 pandemic. The shortage
of protective equipment and medical supplies became a concern
during the height of the spread of
SARS-CoV-2, as tools were being
used up faster than they could be
replaced. To overcome this supply
chain hurdle, members of the University of South Florida Health’s
Department of Radiology and New
York-based Northwell Health developed 3D-printed nasal swabs for
COVID-19 patient testing. Students
from the University at Buffalo in
New York also began 3D-printing
face shields and comfort bands for
local dental practices. These applications show that 3D printing can
also be used to encourage overall
patient safety in addition to aiding
in surgical procedures.
In early 2020, the International
Digital Dental Academy in the UK
▶ Page B3
[3] =>
DTMEA_No.2. Vol.13_LT.indd
LAB TRIBUNE
Lab Tribune Middle East & Africa Edition | 02/2023
◀ Page B2
began a 3D-printing initiative,
which includes over 13,000 digital
dentists and technicians, to
produce ventilator splitters, masks,
visors, and parts to aid front-line
healthcare workers and patients.
Elsewhere, the Italian dental
laboratory Magma Center began
contributing to the fight against
COVID-19 by printing 3D parts for
respiratory masks using the
Straumann P40 printer.
Later that same year, Israeli 3D
printer and materials manufacturer
XJet announced a global partnership with Straumann. This collaboration was initiated with the aim of accelerating the development of additively manufactured ceramic enduse parts via its Carmel 1400 3D
printer. The reduced manual labor
involved in working with this system
offered the advantage of limiting
the spread of SARS-CoV-2, thus creating a safer environment for patients. At the time, Stephan Oehler,
head of technology and testing at
Straumann, said: “There’s already a
demand for the ceramic parts produced on the Carmel 1400, and social distancing is viable because the
operation of the system is very simple, so we’ve been able to keep the
system running even through the
global pandemic.”
Aligning with patient needs
3D printing in 2021 was found
to have the largest presence in orthodontic practices, compared to
those specialized in implantology
and prosthodontics, and this is predicted to grow, according to the
Grand View Research report.1 This
was attributed to increasing numbers of misalignment and diastema
treatments in North America. Applications include 3D-printed orthodontic models used for the creation of aligners through thermoforming. In further developments,
polycarbonate-based resins have
been used for the additive manufacture of clear aligners. Such materials, however, are continuing to
be evaluated clinically.
Similar to surgical guides, using
3D-printed orthodontic models
gives patients a more personalized
experience.
In
addition
to
customization, 3D printing can
enable a more accurate aligner by
eliminating the need to manually
trim or polish a model. These
processes are digitized in the 3D
scanning, modeling, and planning
stages. A patient can also be
assured that if his or her 3D-printed
aligner is misplaced, another can
be swiftly made from an STL file on
the same day at a low cost.
In comparison with traditional
metal fixed appliances, clear
aligners are more discrete in
appearance and can be conveniently
removed. Moreover, there are
fewer dietary restrictions and no
obstructions while flossing or
brushing. In addition to these
benefits, patients can have their
aligners made remotely. This is due
to the simplistic and digital
workflow in which an impression or
scan can be taken at home and
then sent to dental professionals.
With the information, a treatment
plan can be developed. Additive
manufacturing can then be used to
directly make the aligners or to aid
the making of thermoformed
aligners, which are then sent to the
patient. Smartphone apps are also
being used as an instructional tool
to assist patients in correcting their
smiles.
Straumann recognized the
value of the clear aligner market in
its 2017 acquisition of Texan clear
aligner provider ClearCorrect and
simultaneous purchase of a 38%
stake in Spanish aligner solutions
laboratory Geniova. In 2019,
Straumann entered into the second
largest market for clear aligners—
China—through a distribution
agreement with Tianjin Zhengli
Technology
Company.
The
following year, Straumann invested
in German clear aligner provider
DrSmile. Most recently, a case
study demonstrated the benefits of
orthodontic treatments using the
ClearCorrect aligner system.
Conclusion
The value of 3D printing in the
dental industry for patients includes optimized customization,
reduced costs, and enhanced
safety measures in implantology,
prosthodontics, and orthodontics
when compared with traditional
methods of fabrication. Futhermore, patients can be in closer
proximity and gain a better understanding of dental procedures, as
the digital workflow can be performed under one roof. Nevertheless, although traditional manufacturing may seem more cumbersome compared with the exciting
developments of additive manufacturing, it is important to remember that these technologies can
work together for ideal patient
care, and it is not a choice between
one or the other.
Further reading
If you would like to learn more
about how 3D printing is adding
value to dentistry, please feel free
to read the following articles:
•
•
•
KeySplint Soft now Validated for
Dental
Applications
With
Straumann ® P Series Printers
(https://www.straumann.com/
en/discover/youtooth/article/
digital/2021/keysplint-softnow-validated-dentalapplications-straumann-pseries-printers.html);
S2E3: Designing and Printing the
Surgical Guide (https://www.
straumann.com/en/discover/
youtooth/ar ticle/
esthetics/2020/straumannplay-season-2-ep-3-digitalf or -yo ur - de nt al-pr a c tice with-dr-hugo-madeiradesigning-printing-surgicalguide.html); and
Rapid Shape Reacts Rapidly on
COVID-19
(https://www.
straumann.com/en/discover/
youtooth/article/digital/2020/
rapid-shape-reacts-rapidlyon-covid-19.html).
Editorial Note: A list of references is
available from the publisher.
This article was published in
CAD/CAM international magazine of
dental laboratories vol. 13, issue 2/2022.
B3
[4] =>
DTMEA_No.2. Vol.13_LT.indd
LAB TRIBUNE
B4
Lab Tribune Middle East & Africa Edition | 02/2023
New dentine-like material may
replace extracted teeth for
dental research
By Dental Tribune International
HONG KONG: For a long time,
extracted teeth have been an essential resource for dental research, and until now, adequate replacements have not been found.
Even though the use of extracted
teeth is a low-cost method of simulating clinical situations, it is becoming increasingly difficult to collect and use these teeth. To meet
future demand for tooth samples, a
research team from the University
of Hong Kong (HKU), in collaboration with researchers from Wuhan
University in China and Drexel University in Philadelphia in the US,
has investigated two composite
materials, comparing their properties with those of human dentine.
The collection of extracted teth
has become more difficult, especially in countries with a high level
of medical care, owing to the increased longevity of teeth because
of improved oral health and the development of minimally invasive
dental treatments. Human tooth
samples require cleaning and disinfection, which can be complicated
and time-consuming. Concern for
biosafety has only increased after
the COVID-19 pandemic. In addition, the standards for ethical approval have become stricter. Another factor is the great variety in
the sizes and shapes of extracted
teeth, which may result in considerable variation in test results.
The research team formed two
composite materials mimicking the
size and shape of natural teeth and
bonded them to lithium disilicate
To find an adequate research alternative for extracted teeth, researchers tested dentine analogue materials in ceramic crown fatigue tests to compare their properties with those of natural dentine. (All images: University of Hong Kong)
crowns to test the materials’ mechanical strength, elastic properties, indentation hardness and fatigue behaviour. The composite
materials showed elastic properties, indentation hardness and fatigue performance similar to that of
natural dentine; however, the researchers observed differences in
mechanical strength. “This study
evaluated the mechanical properties and fatigue behaviour of dentine analogue materials experimentally, analytically and numerically, and found a material [that]
can reliably replace human dentine
as the substrate in a ceramic crown
fatigue test,” said lead author Dr
James Tsoi, associate professor in
dental materials science from the
Dentine analogue material substrate (left) and substrate in a ceramic crown (right).
Faculty of Dentistry at HKU, in a
press release.
“We hope this study can help
researchers who are facing the
problem of inadequate extracted
human teeth and facilitate predictable laboratory research with the
aid of dentine analogue materials,”
he added.
The study, titled “Which dentine analogue material can replace
human dentine for crown fatigue
test?”, was published in the January
2023 issue of Dental Materials.
From left: Research team members Dr James Tsoi and PhD students Yanning Chen and Xuedong Bai.
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[toc_titles] => The Dental Technician Int'l Meeting: A must-attend event is back face-to-face in Dubai
/ How 3D printing increases value for your patients
/ New dentine-like material may replace extracted teeth for dental research
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