The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 2021
Filed:
Aug. 12, 2019
Ivoclar Vivadent Ag, Schaan, LI;
Stefan Lerch, Bern, CH;
Manuel Schlegel, Mels, CH;
Ivoclar Vivadent AG, Schaan, LI;
Abstract
A system having an auxiliary color selection body and a method for determining the colors of a dental object, i.e. the colors of tooth, residual limb or gingiva, is provided, wherein the auxiliary color selection body () has a substantially U-shaped or L-shaped or ring-shaped structure, on which at least one, preferably 4, reference features (), for recognition of the auxiliary color selection body () is/are attached, and wherein, with respect to the reference features (), a plurality of tooth, stump or gingiva color fields () are arranged on the color selection auxiliary body (). It is provided for an image of a tooth () to be taken with the auxiliary color selection body () being adjacent thereto on at least two sides and the tooth color is determined based on this image (FIG.).