Patent ID: 11928832
Assignee: ALIGN TECHNOLOGY, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  A | IPC A  G

Claim 0:
1. An intraoral scanning system, comprising:
an intraoral scanner; and
a computing device operatively connected to the intraoral scanner, wherein the computing device is to:
receive a plurality of intraoral scans of a dental site from the intraoral scanner, the plurality of intraoral scans comprising at least a first intraoral scan and a second intraoral scan;
determine, for each point in the second intraoral scan based on a first comparison of the first intraoral scan to the second intraoral scan, whether the point is a back-face point that is behind a corresponding point in the first intraoral scan when viewed from a first viewing direction, wherein points in the second intraoral scan that are not behind corresponding points in the first intraoral scan are uncovered points;
determine a region comprising a plurality of points in the second intraoral scan that are uncovered points;
determine whether the region satisfies one or more removal criteria; and
remove the region from the second intraoral scan responsive to determining that the region satisfies the one or more removal criteria.