ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,495,961, issued on Dec. 16, was assigned to Dentsply Sirona Inc. (York, Pa.).
"Handheld intraoral dental 3D camera" was invented by Michael Tewes (Bruhl, Germany) and Andreas Unger (Gross-Gerau, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention, a handheld intraoral dental 3D camera comprising: a hand-held housing which includes: an optical unit comprising: an illuminating means for producing light, and a projecting means for projecting the light produced by the illuminating means onto a region of a tooth surface of a patient; a sensing unit for sensing an image of the projected light reflected by the region, characterized in ...