ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,559, issued on Nov. 11, was assigned to KURARAY NORITAKE DENTAL INC. (Kurashiki, Japan).
"Fluorescent curable dental composition and cured product thereof" was invented by Tatsuya Kajikawa (Chiba, Japan) and Yuki Suga (Niigata, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a dental curable composition that shows fluorescence sufficient to enable highly aesthetic harmonious restoration almost indistinguishable from surrounding natural teeth, and that, while having sufficient mechanical strength and radiopacity and good ease of polishing as a restorative material, desirably resists discoloration not only in the in...