Patent ID: 11880973
Assignee: ALIGN TECHNOLOGY, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  A  B | IPC A  B  G

Claim 12:
13. A system comprising:
a memory comprising instructions for detecting one or more defects in a customized dental appliance, the customized dental appliance customized for a specific arch of a specific patient; and
a processing device operably coupled to the memory, wherein execution of the instructions causes the processing device to:
obtain one or more images of the customized dental appliance;
obtain a digital model associated with the customized dental appliance;
register the one or more images to the digital model;
compare an area of the one or more images and the customized dental appliance with the digital model of the customized dental appliance;
determine a difference between a representation of the customized dental appliance in the area of the one or more images and the digital model of the customized dental appliance at a region;
determine whether the difference satisfies a defect criterion; and
responsive to determining that the difference satisfies the defect criterion, determine that the customized dental appliance has a manufacturing defect at the region associated with the difference.