2023/2024 Equipment Catalog - 4

INSIDE LOOK
INTRAORAL SCANNER BUYER'S GUIDE
[SNEAK PEAK]
2023 INTRAORAL SCANNER BUYER'S GUIDE
Contributing author and key opinion leader,
SCOTT MACLEAN, DDS, FADI, FACD, FICD, FPFA
The advent of digital health care devices has transformed the dental
profession. In fact, technological advances - such as 3D intraoral
scanners - have completely enhanced the experience for dental
practitioners and their patients, helping to improve and elevate
clinical services and care like never before.
Intraoral scanners are devices for
capturing the oral environment,
offering the ability to perform complete
hard and soft tissue digital impressions
in full color - replacing conventional,
traditional impressions. They can be
used in a wide range of applications,
from fabricating restorations to
simulated smile design.
DIGITAL VS. CONVENTIONAL
IMPRESSIONS
Traditionally, dentistry has depended
on conventional impressions to
capture a " negative " of the intraoral
environment, requiring a dental
laboratory professional to either
pour up the impression in stone for a
" positive, " or scan the impression with
a benchtop scanner. Unfortunately,
taking conventional impressions can
be time-consuming and uncomfortable
for patients, and cannot be easily
corrected beyond making another
impression. Most impression materials
also tend to shrink - while the stone
expands - leading to variability on
accuracy and technique sensitivity.
With digital impressions, however,
dental professionals are now saving
time, improving efficiency and
obtaining an accurate means of
recording dental structures when
compared to traditional impressions.
SAVES TIME
Studies have shown that taking a
digital impression saves time compared
to making a traditional impression -
particularly when it comes to the
number of steps involved in the modelmaking
process.
With digital impressions, there is no
need to wait for a stone model. A
dental professional can send the
4
digital file directly into a variety of
software applications to diagnose,
treatment plan or design - or can send
the file to a laboratory, specialist or
manufacturing process for milling or
printing - all of which eliminates any
shipping costs and saves time.
For dental practices with the capability
to scan, design and fabricate chairside
restorations, the resulting 3D files are
imported into computer-aided design
(CAD) software. When the restoration
design is complete, the resulting files
may be transferred to computer-aided
manufacturing (CAM) software and
sent to a mill or printer where the
provisional and/or final restoration is
created.
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are made with live feedback, so
retaking or modifying a scan is much
easier than retaking a conventional
material-and-tray impression.
ENHANCES EFFICIENCY
Perhaps the greatest advantage to
CAD/CAM in intraoral scanning is its
ability to simplify patient workflow. With
intraoral scanning, digital scans are
converted to virtual patient records,
which improve efficiency and workflow.
Interestingly, a study evaluated
patients' perception of digital and
conventional impression techniques,
analyzing treatment comfort,
effectiveness and clinical outcomes.
Ultimately, digital impressions resulted
in a more time-efficient technique
that the patients preferred over
conventional impressions.
COMMON INTRAORAL
SCANNING APPLICATIONS
* Diagnosing and treatment planning
* Recording digital images and files of
patients' teeth
* Monitoring patients' tooth wear and
changes over time
* Merging intraoral images with cone
beam computed tomography (CBCT)
scans for more precise implant
planning and placement
The Dentsply Sirona CEREC
Primescan intraoral scanner.
OFFERS SIMILAR ACCURACY TO
CONVENTIONAL IMPRESSIONS
Intraoral scanning systems offer many
advantages, including a reliable and
accurate means for recording dental
structures - comparable to traditional
impressions. In addition, digital images
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* Fabricating restorations, such as
inlays/onlays, single crowns and
fixed partial dentures, as well as
removable partial and full prostheses
* Fabricating aligners and other
orthodontic devices
* Increasing case acceptance with
simulated smile design
* Collaborating with specialists
through digital images and files
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2023/2024 Equipment Catalog

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