Artificial dental root capable of being firmly fixed to a jawbon

Details Artificial dental root capable of being firmly fixed to a jawbon Artificial dental root capable of being firmly fixed to a jawbon

1987-01-14

1988-10-25

Peshock, Robert

Dentistry

Prosthodontics

Holding or positioning denture in mouth

A61C 800

Patent

active

047800810

ABSTRACT:
In an artificial dental root having a first end, a second end which is opposite to the first end and which is to be embedded into a jawbone, and a shank between the first and the second ends, a thread portion is formed on the shank and has a pitch which is not smaller than 2 millimeters. The pitch is preferably between 3 and 4 millimeters. The thread portion comprises a screw thread which has the above-mentioned pitch, a width, and a height. At least one of the width and the height of the screw thread is reduced in a direction of the second end. A rotation stopper member is formed on the second end and may be a groove and/or a projection. The shank may be reduced in diameter as it is near to the second end.

REFERENCES:
patent: 3579831 (1969-03-01), Stevens
patent: 4103422 (1978-08-01), Weiss et al.
patent: 4229169 (1980-10-01), Smith
patent: 4406623 (1983-09-01), Grafelmann et al.

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