Patent · US Active

Method of making a dental restoration

US11253436B2 · kind B2 · utility

0Cited by

1References

11Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Andreas Herrmann · Steinebach, DE
Michael Jahns · Gilching, DE
Rainer K. Dittmann · Everett, US
Grit Kindler · Munich, DE
Dajana Zimmermann · Herrsching am Ammersee, DE

Key dates

Filing date	Apr 24, 2017
Grant date	Feb 22, 2022
Priority date	—
Expiry date	Jul 22, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2235/9661
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A method of making a monolithic dental restoration. The method includes the steps of providing a monolithic precursor of a dental restoration and firing the monolithic dental restoration precursor to provide the monolithic dental restoration. The zirconia material of both the dental restoration precursor as well as the dental restoration has a relative density of greater than 98% of the theoretic density of the zirconia material. The invention helps providing a color of a non-glazed dental restoration which resembles the color of a glazed dental restoration.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.