US Patent Issued to GC on Sept. 23 for "Method of coloring dental block and dental block" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,726, issued on Sept. 23, was assigned to GC Corp. (Shizuoka, Japan).

"Method of coloring dental block and dental block" was invented by Kento Nagaoka (Tokyo), Mizuho Onodera (Tokyo), Koji Yamamoto (Tokyo), Yusuke Hokii (Tokyo) and Shigenori Akiyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a method of coloring a dental block by which a coloring liquid penetrates into the dental block including a top surface, a bottom surface, and a side surface, the method includes covering at least a portion of the side surface with a covering material over an entire circumference of the portion, exposing the top surface and the bottom surface, and ...