Fabrication know-how
Discover know-how/tips/cautions shared by aligner fabricating experts
Scan
To obtain the best quality of scan data, we explain scan know-how and key points.
Scanning process
Preparation
The following preparations are required for acquiring accurate and high-quality tooth scan data.
Intra-oral scanner : Good oral condition such as scaling.
Desktop scanner : Please refer to the following videos.
Remove positive air bubbles
Correcting margin lines
Remove excessive parts
Fill negative air bubbles
Bite check
Scanner performance & scan strategy
To obtain the highest quality scan data, we suggest the accuracy standard for full arch as follows, so please use a suitable scanner. Also, please strictly follow scan strategy recommended by scanner manufacturer each.
Compatible file type : STL, OBJ, PLY
Accuracy standard for full arch
Type | Accuracy |
Intra-oral-scanner | 50㎛ ± 10 |
Desktop scanner | 10㎛ ± 2 |
Suitable scan data
Remove excessive parts
Fill holes
Points to check when scanning
Scan area
Not suitable | Suitable | |
 |  | Must scan at least 4mm below margin line |
 |  | Must be scannerd up to posterior |
Bite check
Check bite to make sure the scan was proper.
To confirm bite, compare it with the patient’s oral photograph.
Check bite – If left and right molars are open when viewed from the back, it’s not suitable.
Not suitable
Suitable
