ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,762, issued on April 15, was assigned to Imam Abdulrahman Bin Faisal University (Dammam, Saudi Arabia).

"Dental polishing paste and method for dental ceramics" was invented by Mohamed Amr Aly Mahrous Ghanem (Dammam, Saudi Arabia) and Mohamed Moustafa Ahmed Gad (Dammam, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dental polishing paste and a method of surface finishing a dental ceramic with the dental polishing paste is described. The dental polishing paste includes 60 to 90 weight percentage (wt. %) glycerin; 7.5 to 17.5 wt. % inorganic nanoparticles such as, diamond or zirconia, having a mean particle size of 5 to 25 nanometer (nm)...