ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,426, issued on July 15, was assigned to KING FAISAL UNIVERSITY (Hofouf, Saudi Arabia).

"Apparatus and method for recommending when to discard a used dental file during use" was invented by Muhammad Adeel Ahmed (Hofouf, Saudi Arabia) and Rizwan Jouhar (Hofouf, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for recommending whether to discard a dental file during use includes a processor, a plurality of laser profilometers oriented to direct their respective laser beams toward a first spatial region where a dental file is configured to travel along, a plurality of cameras oriented toward a second spatial region where the dent...