ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,009, issued on Sept. 9, was assigned to James R. Glidewell Dental Ceramics Inc. (Newport Beach, Calif.).

"Dental appliance and method for making the same" was invented by David Christopher Leeson (North Tustin, Calif.), Michael J. Selberis (Coto de Caza, Calif.) and Sergey Nikolskiy (Coto de Caza, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are example embodiments of methods and systems for improving teeth appearance and repositioning of the teeth. One of the systems is an appliance that includes: an outer shell with simulated teeth that approximate a final teeth arrangement; and inner cavities configured to receive a patient's ...