Table 2 The positive and negative features of commercially available IOS
From: Intraoral scanners in dentistry: a review of the current literature
Feature | Positive | Negative |
|---|---|---|
Trueness | High | Low |
Precision | High | Low |
Resolution | High | Low |
Need for opacization | Powder not needed | Powder needed |
Scanning speed | Fast | Slow |
Tip | Small/thin | Large/thick |
In-colour images | Yes | No |
System | Open (free. STL and. PLY files) | Closed (only proprietary files as output) or semi–closed (pay per. STL file) |