ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,992, issued on Dec. 2, was assigned to KING SAUD UNIVERSITY (Riyadh, Saudi Arabia).

"Mechanical method of determining the best material for use as clear aligner composite resin attachment among experimented groups" was invented by Rana Rabei Alshammari (Riyadh, Saudi Arabia) and Aljazi Hussain Aldweesh (Riyadh, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An orthodontic method includes forming a plurality of abrasive objects, each abrasive object including material usable for forming clear dental aligners. The plurality of abrasive objects can be rubbed against a plurality of composite objects, each composite object being made of a com...