Digital Denture Scanning

Intra-oral vs. Box Scanning

We recommend starting with an IOS scanner if you want to focus on immediate dentures and partials Dentures.  We recommend a box scanner if you are only going to purchase one scanner and want to produce all types of dentures.

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Intra-oral scanning (IOS)

Intra-oral scanners are becoming more popular as they avoid the need for impression trays, impression material, stone etc. IOS is also great for immediate dentures with an established bite.  IOS also works well when there are mobile teeth which may be extracted with impressions. Any cross-arch distortion is compensated with tissue conditioner.

Recommended use:

Partial Dentures

Immediate dentures

Downside:

Not Ideal for Complete Dentures and Implant cases

 

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Box Scanning

Box scanners can be used to scan stone / plaster models, bite registrations, bite blocks / triple trays etc. Box scanners are more versatile and have increased cross arch accuracy as less images are stitched together compared to IOS. 

Recommended use:

Scanning dentures

Full arch restorations / Implants

Scanning impressions or models

Partial Dentures

Downside:

Still requires conventional impression

Spray required for some materials

 

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We recommend MEDIT & 3Shape scanners.

We recommend MEDIT box scanners because of the blue light technology which does not require the use of any spray when scanning reflective objects such as dentures. 

We recommend 3Shape and MEDIT IOS (Intra-oral Scanners) due to their great accuracy, support / support groups and ease of use.

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Workflow for Dentures

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From Wax-up
From Existing denture
Combine Scans

(Denture Scan)

Combine scans

(Appliance Scan)

Other Tips & Tricks

Using MESHMIXER Free Software
 
Applying CAD SPRAY
The do's and don'ts. Distance & amount of spray
Analysis Inspector tool
How to use Meshmixer inspector tool 
Make Denture Solid
How to use Meshmixer to create a solid STL file
REDUCE FILE SIZE
Use Meshmixer to reduce file size to reduce lag in CAD
ADDing margins to denture
Add margin to worn / washed out denture
COMBINE & CUT WAX-UP
 
For scanners without integrated workflows - Meshmixer
FILL HOLES
Fill holes in denture using Meshmixer
MEshmixer basics
Learn the basics of Meshmixer with Perfit