Dental compositions, mill blocks, and methods
US9962245B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2010 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Dec 22, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental composition comprising a polymerizable resin comprising ethylenically unsaturated groups; a thermally activated initiator dissolved in the resin; and an inorganic filler combined with the resin in an amount greater than about 60 percent by weight based upon the weight of the composition; wherein the initiator is activated at a temperature of about 100 to about 150° C. to provide free radicals; and wherein the filler has a surface area of at least about 65 square meters per gram filler; a dental mill block comprising the thermally cured composition, a method of manufacturing the dental mill block, and a kit comprising a plurality of the mill blocks are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.