Dental implant

Details Dental implant Dental implant

1991-01-15

1993-04-06

Wilson, John J.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433173, A61C 800

Patent

active

051998734

ABSTRACT:
A dental implant including a post which can be anchored in the jawbone of a dental patient and a replacement tooth head fastenable to said post. The post has at its crown end a recess for mounting a replacement tooth. The outside surface of the post is stepped down in at least two, and preferably three or four, steps to an apical root end opposite said crown end. At least one of the steps carries an external screw thread, and of two adjacent steps, the step closer to the apical root end has a thread crest diameter which is not larger than the base diameter of the adjacent step situated closer to the crown end of the implant.

REFERENCES:
patent: 4185383 (1980-01-01), Heinke et al.
patent: 4552532 (1985-11-01), Mozsary
patent: 4560353 (1985-12-01), Schulte et al.
patent: 4609354 (1986-09-01), Koch
patent: 4856994 (1987-08-01), Lazzara et al.
patent: 4863383 (1989-09-01), Grafelmann
patent: 4927363 (1990-05-01), Schneider

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