Calculating Virtual Teeth
To calculate virtual teeth based on an existing IO Scan:
Click IO Scan on the menu bar.
Click Virtual teeth 
.
If needed, adjust the missing teeth on the tooth chart for which you want to calculate virtual teeth.
Note
To manually adjust the detected scan range, click Edit upper scan range 
or Edit lower scan range (depending on the setup) by using the white handles on the tooth chart. Click Save.
Click Next.
Check if all teeth are correctly indicated. If needed, click Indicate teeth manually to correct the tooth positions.
Click Finish.
The virtual teeth, root and gingiva are calculated and shown in the viewer with the IO Scan.