公开(公告)号：US11602413B2

公开(公告)日：2023-03-14

申请号：US16562639

申请日：2019-09-06

Applicant: Align Technology, Inc.

Inventor： Yan Chen ,  Fangxiao Guan ,  Kwan Ho ,  Shiva P. Sambu

IPC: A61C7/08 ,  B23K26/352

Abstract: Dental appliances, materials, and methods of forming such appliances and materials for improved laser marking are provided herein including the use of textured and/or roughened surfaces to enhance laser marking.

公开(公告)号：US10783629B2

公开(公告)日：2020-09-22

申请号：US16145016

申请日：2018-09-27

Applicant: Align Technology, Inc.

Inventor： Anatoliy Parpara ,  Ivan Kharpalev ,  Stephan Albert Alexandre Dumothier ,  Andrey Cherkas ,  Alexey Kalinichenko ,  Jack Shaw ,  Israel Velazquez ,  Kwan Ho ,  Paren Indravadan Shah ,  Shiva P. Sambu ,  Enrique Soltero Borrego ,  Ben Castricone ,  Ari Siletz

IPC: G06T7/00 ,  A61C7/00 ,  A61C13/00 ,  G01N21/956 ,  G06T7/521 ,  G06T17/10

Abstract: A method for inspecting a customized orthodontic aligner for manufacturing defects, the customized orthodontic aligner customized for a specific arch of a specific patient and a specific stage of orthodontic treatment, the method including obtaining images of the customized orthodontic aligner; identifying an identifier of the customized orthodontic aligner, determining a digital file based on the identifier, the digital file associated with the customized orthodontic aligner including a digital model of a mold used during manufacture of the customized orthodontic aligner, determining a intended property for the customized orthodontic aligner by digitally manipulating the digital model of the mold, determining an actual property of the customized orthodontic aligner from the images, determining whether there is a manufacturing defect in the customized orthodontic aligner by comparing the intended property with the actual property, outputting an output associated with the determination of whether there is a manufacturing defect.