ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,740,847, issued on Sept. 22, was assigned to SHOFU INC. (Kyoto, Japan).
"Zirconia mill blank for dental cutting and machining and preparing method thereof" was invented by Kazumichi Nonaka (Kyoto, Japan) and Shuhei Takahashi (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a zirconia mill blank for dental cutting and machining which has excellent machinability in a thin workpiece such as an inlay, an onlay and a veneer, and may impart high strength and high translucency to a zirconia perfect sintered body without a special sintering such as HIP treatment, and a preparing method thereof.The zirconia mill blank for dental cutting a...