itero digital impressions
DESCRIPTION
A short presentation on the use of the Itero digital impression machine and the use of STL files for production of printed orthdontic retainers and much more....TRANSCRIPT
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© 2011 Align Technology, Inc. All rights reserved. Confidential1 © 2011 Align Technology, Inc. All rights reserved. Confidential
iTero impressions. The future is now…..Advanced Digital Science and Technology
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© 2011 Align Technology, Inc. All rights reserved. Confidential2
A Pioneer in Digital Dentistry and Orthodontics
• 16 years in orthodontic field
• 7 years in restorative dentistry
3+ MILLION Cases and counting…
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Why Scanning? The iTero System
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More precise impressions the first time around ( no retakes)
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© 2011 Align Technology, Inc. All rights reserved. Confidential5
The Challenge of PVS Impressions
Pulls & Tears
Bubbles & Voids
Distortion
Tray-Tooth Contact
Poor Tray Bond
Delamination
Temperature
Technique (DFU’s)
Time Sensitivity
Chemistry
Varying Shrinkage
Stone Model Pouring
Die Trimming Discrepancies
To…
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© 2011 Align Technology, Inc. All rights reserved. Confidential6
iTero – Parallel Confocal Imaging
• Cadent iTero features parallel confocal imaging,not conventional triangulation which utilizes laser and optical scanning to digitally capture the surface and contours of the tooth and gum structure.
• The iTero scanner captures 100,000 points of laser light in perfect focus at 300 focal depths of the tooth structure. These focal depth images are spaced approximately 50 microns apart.
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Only iTero is 100% Powder Free Scanning
• iTero is the ONLY Intra-Oral Scanning System that does not require powdering for any type of scanning, on any type of restoration
• Powdering, Accent Frosting, Dusting….it’s all the same messy, expensive, time consuming procedure
• Lava COS, E4D, and Cerec all require some type of powdering procedure depending on the system an type of restoration
Example – Powdering with the Sirona Cerec System
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Tooth Coating with Triangulation/ Sampling
• Triangulation/sampling scanners require the teeth to be coated with titanium oxyde to avoid light scattering.
• Hard to get to the undercuts with this technology
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iTero vs. Sampling – Data Capture
VS.
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Type of file obtained
• When you scan with Itero or a dental cast scanner , you get an STL file
• STL means stereolithographic file.
• STL are widely used for:- rapid prototyping
- computer-aided manufacturing. (CAD-CAM)
- STL files describe only the surface geometry of a three dimensional object without any representation of color, texture or other common CAD model attributes. (wikipedia)
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Full Arch Scans
Cadent iTero v 4.0
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You tube video of scanning
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First use of Itero in Orthodontics
• Elimination of impressions
• Replacement of dental casts
- Great for multiple locations( accessible anywhere)
- No more storage
• Integration with conebeam CT technology
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© 2011 Align Technology, Inc. All rights reserved. Confidential14
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Use of 3D virtual models ( obtained by scanning)
• Treatment simulations
• Quick, easy, & precise measurement tools
• Occluded upper and lower study models
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Treatment simulations
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Second use: Scan for Invisalign
Eliminates PVS impressions and retakes. Your registration is always good.
Better patient and doctor experience
Quicker ClinCheck turnaround time Better fitting aligners
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Based on 1,000+ scans:
• Time from submission to digital Treatment Plan = 2-3 days
• Virtually eliminates rejections
Eliminates PVS impressions
Better patient and doctor experience Quicker turnaround time Better fitting aligners
iTero – Why Scan for Invisalign?
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Better fitting aligners
More detailed anatomy specially in the undercut areas allows for better fitting aligners.No tissue compression decreases theamount of black triangles
iTero – Why Scan for Invisalign?
7x Fewer Fit Issues Compared to PVS
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Better fitting aligners!
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Invisalign Experience
• With Itero, the fit of aligners is more precise. Potential for better and faster treatment….
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Invisalign Experience
• Fit of aligners is awesome … Patients feel difference
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© 2011 Align Technology, Inc. All rights reserved. Confidential24
Cadent and Invisalign
• Integration of Orthodontic Full-Arch iTero Impressions
• New 3-D Diagnosis and Treatment Management Applications Developed by Cadent for Invisalign Services
- Real-time Chair side Applications
- Case Assessment
- Case Planning
- Case Presentation
Sample Cadent Orthodontic Full-Arch Intra-Oral Digital Impression
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Cadent iTero v4.0 Digital Scan as seen on IDS Site
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Third use; Indirect bracketing with Cadent technology
Virtual placement of brackets on 3D STL dental casts
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Fabrication of precise custom transfer trays
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Transfer to patien’t dentition
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Fourth use: Fabrication of printed orthodontic appliances
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3D virtual software
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Production of a composite model
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Printing of the 3D appliance with laser sintering
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Retention Appliance
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Conclusions
• 3D technology is advancing very rapidly in Oorthodontics
• Started in 1992 and is now almost mainstream
• Possibilities of CAD CAM impressions and appliances fabrications are just starting to emerge but will expand rapidly in the future.
• Far from perfect but getting much better everyday.
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© 2011 Align Technology, Inc. All rights reserved. Confidential35