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.

Date of Patent:
Nov. 28, 2023

Filed:

Jun. 22, 2020
Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Malte Korten, Moorenweis, DE;

Helmar B. Mayr, Kaufering, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C 13/00 (2006.01); A61C 19/10 (2006.01); G16H 20/40 (2018.01); A61C 13/08 (2006.01); A61C 13/083 (2006.01); A61C 13/09 (2006.01);
U.S. Cl.
CPC ...
A61C 19/10 (2013.01); A61C 13/0004 (2013.01); A61C 13/0006 (2013.01); A61C 13/0022 (2013.01); A61C 13/082 (2013.01); A61C 13/083 (2013.01); A61C 13/09 (2013.01); G16H 20/40 (2018.01);
Abstract

A system having at least one dental blank and an associated shade guide. The dental blank exhibits a non-uniform color shading, and the shade guide comprises a plurality of shade specimens each exhibiting a particular color shading representing the same color shading present in a partial area within the dental blank. A method of making a dental restoration includes the use of the system. The invention facilitates making a dental restoration having a color shading resembling the color shading of a natural tooth.


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