ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,432, issued on July 15, was assigned to Wuxi EA Biotechnology Ltd. (Jiangsu, China).
"Method for generating 3D digital model of teeth" was invented by Ketuo Zhou (Shanghai) and Lei Huang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "One aspect of the present application provides a method for generating 3D digital model of teeth, the method comprises: scanning a patient's teeth with a first feeler gauge inserted in a first gap between two adjacent teeth, to obtain a first 3D digital model; extracting a position and a direction of the first feeler gauge from the first 3D digital model; and modifying the first gap of an original 3D digital m...