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

Claim 0:
1. A non-transitory computer readable medium comprising instructions that, when executed by a processing device, cause the processing device to perform a method for detecting one or more defects in a customized dental appliance, the customized dental appliance customized for a specific arch of a specific patient, the method comprising:
obtaining one or more images of the customized dental appliance;
obtaining a digital model associated with the customized dental appliance;
registering the one or more images to the digital model;
comparing an area of the one or more images of the customized dental appliance with the digital model of the customized dental appliance;
determining 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;
determining whether the difference satisfies a defect criterion; and
responsive to determining that the difference satisfies the defect criterion, determining that the customized dental appliance has a manufacturing defect at the region associated with the difference.