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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 5127835 B1

PDFFull Text
Date of Patent:
Jul. 07, 1992

Filed:

Oct. 06, 1988

Process for preparation of dental crown restoration and kit for use in

Applicant:
Inventors:

Koichi Yamaguchi, Gamou, JP;

Shingo Masuda, Gamou, JP;

Keiji Mishima, Gamou, JP;

Michinori Akase, Gamou, JP;

Takahiko Asano, Gamou, JP;

Assignee:

Kyocera Corporation, Kyoto, JP;

Attorney:

Spensley Horn Jubas & Lubitz

Primary Examiner:

Vincent Millin

Int. Cl.
CPC ...
A61C / ;
U.S. Cl.
CPC ...
4332221 ; 433218 ; 433223 ;
Abstract

Disclosed is a process for the preparation of a dental crown restoration, which comprises preparing a plurality of dental crown-restoring glass materials comprising 100 parts by weight of a glass component and 0.01 to 17.0 parts by weight of an incorporated coloring component and giving colored glass ceramics differing in the value or the combination of the value and chroma in the glass-crystallized state, selecting a shade guide having a color equal or closely akin to the color of a tooth adjacent to the tooth to be restored among a plurality of shade guides classified accord- to a plurality of values or combinations of the value and chroma as one index and a plurality of hues as another index, selecting a glass material giving a predetermined value or a predetermined combination of the value and chroma among said glass materials according to the color of the selected shade guide, preparing a dental crown restoration from the selected glass material, and applying a shading giving a predetermined hue or a predetermined combination of the hue, value and chroma according to the color of the selected shade guide to the surface of the dental crown restoration.

Find Patent Forward Citations

Yamaguchi, Koichi. (1992). Process for preparation of dental crown restoration and kit for use in (U.S. Patent No. 5127835). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5127835

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