Endodontic instrument
US5980250A · kind A · utility
11Cited by
42References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 11, 1995 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Dec 11, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23B2251/241
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention disclosed herein is directed to improved endodontic dental instruments for extirpating and/or obturating a root canal. The dental instruments of the invention have at least one friction reducing element which assists in the removal of material from a tooth canal and which reduces frictional loads on the instrument during extirpating and obturating procedures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.