ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,313, issued on Feb. 17, was assigned to Dentsply Sirona Inc. (York, Pa.).
"Dental scanning" was invented by Ruwen Schnabel (Darmstadt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present teachings relate to a method for assisting an intraoral scan including providing an intraoral image of a patient, and providing an extraoral image; the extraoral image being representative of the position of an extraoral scanner part. The teaches further include generating, using the intraoral image and the extraoral image, a mapping function correlating the position of the extraoral scanner part with the position of the intraoral scanner part; and co...