Patent ID: 11903779
Assignee: 3SHAPE A/S
Field: Medical technology (Instruments)
Classification: CPC A  B  G | IPC A  B  G

Claim 8:
9. A user interface for creating a virtual dental preparation guide configured for validating preparation of at least one prepared tooth for a dental restoration, wherein the virtual dental preparation guide is configured to be used for manufacturing a physical dental preparation guide, and where the user interface is configured for:
obtaining a digital 3D representation of a pre-prepared set of teeth;
virtually removing said at least one tooth from the digital 3D representation of the pre-prepared set of teeth, such that a digital 3D representation of a remaining set of teeth is formed;
obtaining a virtual target dental restoration expressing a target shape of the dental restoration;
creating a virtual validation surface for the virtual dental preparation guide based on the virtual target dental restoration;
creating a virtual preparation guide surface by combining the virtual validation surface and at least part of the surface of the digital 3D representation of the remaining set of teeth;
creating the virtual dental preparation guide having the virtual preparation guide surface.