ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,518, issued on Feb. 18, was assigned to izzo LLC (Plymouth Meeting, Pa.).
"Dental polishing cup" was invented by Sean H. Kerr (Wallingford, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dental polishing cup includes a body that defines a cup cavity for holding a dental treatment material, with the cup having an opening at its distal end. A portion of the body includes an enhanced-flexibility band (EFB) situated circumferentially at a certain distance from the distal end, the EFB providing a lesser stiffness of the body than other portions of the body that are situated lengthwise immediately distally and immediately proximately of the EFB."
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