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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.:

US 11426332 B1

PDFFull Text
Date of Patent:
Aug. 30, 2022

Filed:

Oct. 10, 2017

Shade-coordinated, veneering porcelain system for dental prostheses

Applicant:

Dentsply Sirona Inc., York, PA (US);

Inventors:

Slawomir Banasiak, Kearny, NJ (US);

Vicky Nemzer, Newtown, PA (US);

Christopher Chu, West Windsor, NJ (US);

Dan Ammon, York, PA (US);

Assignee:

DENTSPLY SIRONA INC., York, PA (US);

Attorney:

Dentsply Sirona Inc.

Primary Examiner:

Maria V Ewald

Assistant Examiner:

Ethan A Utt

Int. Cl.
CPC ...
A61K 6/802 (2020.01); A61K 6/20 (2020.01); A61K 6/818 (2020.01); A61K 6/833 (2020.01); A61C 13/08 (2006.01); A61C 13/083 (2006.01);
U.S. Cl.
CPC ...
A61K 6/802 (2020.01); A61C 13/082 (2013.01); A61C 13/083 (2013.01); A61K 6/20 (2020.01); A61K 6/818 (2020.01); A61K 6/833 (2020.01);
Abstract

The invention is related to a shaded porcelain system that contains two types of veneering porcelains: natural enamel/dentin body and opal enamel, as well as stain & glaze porcelain, with CTE that are compatible to and which can be used for veneering a dental prosthesis made of 1) lithium disilicate-based glass-ceramic substructure that is formed by hot pressing or CAD/CAM machined process or 2) YTZP zirconia-based ceramic substructure that is formed by CAD/CAM machined process in order to improve overall esthetics of final prosthesis.

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