US 12,136,208 B2
Automatic clean up of jaw scans
Fedor Chelnokov, Khimki (RU); Grant Karapetyan, Moscow (RU); and Stanislav Shushkevich, Moscow Region (RU)
Assigned to James R. Glidewell Dental Ceramics, Inc., Newport Beach, CA (US)
Filed by James R. Glidewell Dental Ceramics, Inc., Newport Beach, CA (US)
Filed on Mar. 31, 2021, as Appl. No. 17/219,161.
Prior Publication US 2022/0318989 A1, Oct. 6, 2022
Int. Cl. G06T 17/20 (2006.01); G06T 5/00 (2024.01); G06T 5/70 (2024.01); G06T 7/00 (2017.01); G06T 7/11 (2017.01); G06T 7/60 (2017.01); G06T 15/20 (2011.01)
CPC G06T 7/0012 (2013.01) [G06T 5/00 (2013.01); G06T 5/70 (2024.01); G06T 7/11 (2017.01); G06T 7/60 (2013.01); G06T 15/205 (2013.01); G06T 17/20 (2013.01); G06T 2207/20084 (2013.01); G06T 2207/20221 (2013.01); G06T 2207/30036 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A computer-implemented method of processing a digital jaw scan, comprising:
receiving a digital model comprising a digital jaw;
performing segmentation on at least a portion of the digital jaw to provide one or more digital surface segments comprising a digital surface mesh;
determining a digital tooth center for at least one digital tooth in the digital jaw;
determining a digital tooth area around the digital tooth center;
deleting one or more surface segments not intersecting with the digital tooth area; and
smoothing a digital surface mesh boundary,
wherein smoothing the digital surface mesh boundary comprises performing erosion and dilation at a boundary region, and deleting one or more boundary regions not reached by the dilation.