Dental implant formed of AL.sub.2 O.sub.3 -ceramic for fastening

Details Dental implant formed of AL.sub.2 O.sub.3 -ceramic for fastening Dental implant formed of AL.sub.2 O.sub.3 -ceramic for fastening

1976-11-01

1981-12-08

Mancene, Gene

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433201, A61C 800

Patent

active

043045537

ABSTRACT:
A superstructure-fastening dental implant formed of Al.sub.2 O.sub.3 -ceramic material having a distal end and a proximal end opposite to the distal end thereof and including a cylindrical shaft formed with constrictions at least partly defined by annular surfaces formed on the shaft, the annular surfaces extending perpendicularly to the axis and facing toward the proximal end of the dental implant, and means including a threaded bushing for anchoring a superstructure at the distal end of the dental implant, the proximal end of the dental implant being rounded and in the form of a spherical calotte having a smooth and uninterrupted surface.

REFERENCES:
patent: 2857670 (1958-10-01), Kiernan, Jr.
patent: 3797113 (1974-03-01), Brainin
patent: 3818512 (1974-06-01), Shersher
patent: 3827145 (1974-08-01), Richards
patent: 3837009 (1974-09-01), Walker

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