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:
Nov. 14, 2023
Filed:
Nov. 06, 2018
Applicant:
Kuraray Noritake Dental Inc., Kurashiki, JP;
Inventors:
Assignee:
KURARAY NORITAKE DENTAL INC., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K 6/818 (2020.01); A61C 5/77 (2017.01); A61K 6/20 (2020.01); A61C 8/00 (2006.01); C04B 41/50 (2006.01); C04B 41/87 (2006.01); A61K 6/58 (2020.01); A61C 7/14 (2006.01); A61C 13/083 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
A61K 6/818 (2020.01); A61C 5/77 (2017.02); A61C 7/14 (2013.01); A61C 8/0013 (2013.01); A61K 6/20 (2020.01); A61K 6/58 (2020.01); C04B 41/5038 (2013.01); C04B 41/87 (2013.01); A61C 13/083 (2013.01); C04B 2111/00836 (2013.01); C04B 2237/348 (2013.01);
Abstract
The present invention provides a dental product comprising a base material formed of a zirconia sintered body, and having high aesthetic quality with enhanced fracture toughness and with reduced chipping and cracking in the porcelain layer. The present invention also provides a method for manufacturing such a dental product. The present invention relates to a dental product comprising: a base material formed of a zirconia sintered body, and a porcelain layer, wherein the porcelain of the porcelain layer has a suitable firing temperature of 900° C. or more, and the porcelain layer has a fracture toughness value of 1.20 MPa·mor more.