ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,233, issued on May 26, was assigned to KING SAUD UNIVERSITY (Riyadh, Saudi Arabia).

"Phosphorescent endodontic post" was invented by Mohammed Abdullah Alshehri (Riyadh, Saudi Arabia), Omar Mohammed Alshehri (Riyadh, Saudi Arabia) and Ibraheem Rshood Alqwizany (Riyadh, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phosphorescent endodontic post includes a fiber-reinforced composite material including a polymeric matrix and reinforcing fibers; and phosphorescent particles dispersed within the polymer matrix. The phosphorescent particles are configured to emit visible light for about 5 minutes to about 10 minutes following activation by ...