Method of root canal therapy
US4425094A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 1981 |
| Grant date | Jan 10, 1984 |
| Priority date | — |
| Expiry date | May 8, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/50
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Endodontic filling systems are provided having improved properties over those known to the prior art. Endodontic points are provided comprising hydrophilic, polymeric compositions. Such points are swellable when placed into a prepared root canal space and provide substantially complete filling of lateral cavity spaces without invasion of the subapicial space. According to a preferred embodiment, such points are used in conjunction with pastes or fluids comprising hydrophilic, polymeric compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.