Helically fluted dental post
US4479783A · kind A · utility
28Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1983 |
| Grant date | Oct 30, 1984 |
| Priority date | — |
| Expiry date | Apr 29, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C13/30
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental post for retaining a dental restoration in a secured position on a prepared tooth stub, the dental post including a cylindrical elongated pin having a plurality of spaced apart, individual, external helical flutes longitudinally disposed about the longitudinal axis of the pin. The pin is insertable within a bore provided in the tooth stub with a portion of the pin extending upwardly from the stub to secure the restoration thereon. The flutes functions to, both retain the pin secured within the cement prepared bore, and also provides a vent for the insertion of the pin into the bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.