Drill

Dentistry – Apparatus – Tool bit

Patent

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Details

433118, 82 13, A61C 302

Patent

active

051414341

ABSTRACT:
An improved drill for creating oval openings in the jawbone for a tooth to be implanted therein. The drill includes movable cutters that cut an oval shape that matches the cross section of the oval implant by being rotatably driven and performing very fine cuts with movable cutters on an initial pilot hole in the bone.

REFERENCES:
patent: 2649001 (1953-08-01), Fennell
patent: 3058218 (1962-10-01), Kleesattel et al.
patent: 3587385 (1971-06-01), Orend
patent: 3992780 (1976-11-01), Herskovits
patent: 4021920 (1977-05-01), Kirschner et al.
patent: 4179810 (1979-12-01), Kirsch
patent: 4279598 (1981-07-01), Scheicher
patent: 4611516 (1986-09-01), Hochmuth et al.
patent: 4712951 (1987-12-01), Brown

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