Dental filling material
US7211136B2 · kind B2 · utility
9Cited by
261References
47Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2003 |
| Grant date | May 1, 2007 |
| Priority date | — |
| Expiry date | Feb 7, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/62
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dental filling material comprising a thermoplastic polymer. The thermoplastic polymer may be biodegradable. A bioactive substance may also be included in the filling material. The thermoplastic polymer acts as a matrix for the bioactive substance. The composition may include other polymeric resins, fillers, plasticizers and other additives typically used in dental materials. The filling material is used for the filing of root canals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.