Dental milling blank for the production of permanent indirect restorations and computer-aided process for producing the permanent indirect restorations
US10603143B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2018 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Jun 18, 2038 |
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
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