Patent · US Active

Dental milling blank for the production of permanent indirect restorations and computer-aided process for producing the permanent indirect restorations

US11400028B2 · kind B2 · utility

0Cited by

16References

20Claims

0Family size

Assignee

VOCO GmbH · DE

Inventors

Daniel Oldenburger · Cuxhaven, DE
Reinhard Maletz · Cuxhaven, DE
Nils Fontein · Cuxhaven, DE
Manfred Thomas Plaumann · Cuxhaven, DE

Key dates

Filing date	Feb 24, 2020
Grant date	Aug 2, 2022
Priority date	—
Expiry date	Sep 4, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K2201/011
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A dental milling blank for the production of permanent indirect restorations in the CAD/CAM process, characterized in that it has a water sorption WSP of less than/equal to 18 μg/mm3, measured according to ISO 4049 and an E modulus E greater than/equal to 13 GPa, measured according to the ADA specification No. 27 and a quotient Q of WSP/E of less than 1.35 μg/(GPa×mm3) and consists of the polymerization product of a radically curable dental composition, which comprises

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