Dentistry – Apparatus – Tool bit
Patent
1996-09-30
1998-08-11
O'Connor, Cary E.
Dentistry
Apparatus
Tool bit
A61C 302
Patent
active
057919020
ABSTRACT:
A drill bit for producing bone cavities for dental implants having a shaft which is indexable in a dental drill handpiece and a cutting head for removal of the bone tissue. Between the shaft and the cutting head, a bit body is provided whose cross section has reduced dimensions by comparison with the bone cavity formed by the cutting head.
REFERENCES:
patent: 1216683 (1917-02-01), Greenfield
patent: 4511334 (1985-04-01), Grafelmann
patent: 4820156 (1989-04-01), Ross
patent: 5078605 (1992-01-01), Sutter et al.
patent: 5098293 (1992-03-01), Loof et al.
patent: 5261818 (1993-11-01), Shaw
patent: 5435722 (1995-07-01), Mandell
Dubno Herbert
O'Connor Cary E.
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