Dental file/reamer instrument
US4934934A · kind A · utility
99Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1988 |
| Grant date | Jun 19, 1990 |
| Priority date | — |
| Expiry date | Nov 4, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental instrument adapted to be used as a dental file and dental reamer for removing dead or damaged tissue from the root canal of a tooth. The dental compactor instrument is formed with a tapered shank having at least two helical flutes defining at least two continuous helical cutting edges. A helical peripheral land extends between the helical flutes at the periphery of the shank. The cutting edges have a neutral rake angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.