ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,277, issued on Feb. 18, was assigned to ALIGN TECHNOLOGY INC. (San Jose, Calif.).
"Methods for orthodontic progress tracking" was invented by Fuming Wu (Pleasanton, Calif.), Vadim Matov (San Jose, Calif.) and Jihua Cheng (Cupertino, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method may include generating a comparison of one or more anatomical reference shapes and one or more surface features on a planned dentition model with a corresponding one or more anatomical reference shapes and one or more surface features on a tracking dentition model using a coarse to fine volume 3D array to represent one or both of the plan model and the tracki...