US Patent Issued to James R. Glidewell Dental Ceramics on May 13 for "Automatic determination of trim-line for aligners" (American, Russian Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,295,806, issued on May 13, was assigned to James R. Glidewell Dental Ceramics Inc. (Newport Beach, Calif.).

"Automatic determination of trim-line for aligners" was invented by Sergei Azernikov (Irvine, Calif.) and Fedor Chelnokov (Khimki, Russia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method/system of determining a trim-line includes receiving a 3D digital dental model; combining the one or more virtual teeth; determining a distance field; determining a first iso-line; determining a back distance field; determining a second iso-line to generate a trim-line. A computer-implemented method/system of segmenting the 3D digital d...