Drill set for dental screw implant fixture with self-tap

Details Drill set for dental screw implant fixture with self-tap Drill set for dental screw implant fixture with self-tap

2007-07-24

2007-07-24

Bumgarner, Melba (Department: 3732)

Dentistry

Apparatus

Tool bit

Reexamination Certificate

active

10653591

ABSTRACT:
A drill set for adjusting an implant hole for a self-tap dental screw implant fixture comprises with a diameter d2at the point of a cutting blade equivalent to a diameter D3of the tip end of the fixture, a diameter d1at the back end of the blade equivalent to the maximum root diameter of a first male screw1eor smaller, and a length l1of the blade larger than the entire length L1of the fixture1, and the second drill3with a diameter d5at the point of a tapered tip end cutting blade3bequivalent to the diameter D3, and a diameter d3at the back end of a tapered back end cutting blade3aequivalent to the maximum root diameter of the first male screw1eand smaller than the maximum crest diameter thereof, both the blades3a, 3bforming two-step taper shape.

REFERENCES:
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patent: 5259398 (1993-11-01), Vrespa
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patent: 07-080002 (1995-03-01), None
patent: 10-211218 (1998-08-01), None
patent: 2001-512348 (2001-08-01), None
Patent Abstracts of Japan, JP 2001-321392, Nov. 20, 2001.

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