Root canal filling material
US7204874B2 · kind B2 · utility
12Cited by
259References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2002 |
| Grant date | Apr 17, 2007 |
| Priority date | — |
| Expiry date | Dec 29, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/62
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An endodontic filling material comprising a biodegrable thermoplastic polymer. 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.