Hi alan.karyl,
We guess whether you meant you do not wish to show the teeth. If so, you just need to go to mouth settings, and then uncheck Teeth checkbox. If you meant your image contains the teeth, you can refer to the following instruction.
1) Go to Model page.
2) Click on “Background Settings” button.
3) Choose Color Background, and then click on “OK”.
4) Click on “Background Mask Editing”.
5) Utilize brush tool to specify the teeth, and then click on “OK”.
6) Click on “Mouth Settings” to apply a new teeth or do the future settings.
Note: Usually, we suggest that the image should follow the below items.
1. Mouth slightly open, and then you are able to use “Force to Close” function (Do not show the teeth.)
2. straight mouth.
Yours sincerely,
Mick
Technical Support
Reallusion Inc.
www.reallusion.com