Patent ID: 11918438
Assignee: 3SHAPE A/S
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A  G

Claim 18:
19. A computer program product embodied in a non-transitory computer readable medium, the computer program product comprising computer readable program code being executable by a hardware data processing unit to cause the hardware data processing unit to:
obtaining two or more digital 3D representations for anterior teeth recorded at different points in time;
segmenting the anterior teeth in each of the two or more digital 3D representations;
aligning the segmented anterior teeth in each of the two or more digital 3D representations on a tooth by tooth basis;
determining gingival margin lines between the segmented anterior teeth and gingiva in each of the two or more digital 3D representations;
comparing a distance between two or more of the gingival margin lines; and
quantifying a gingival recession based on the comparison.