self-taping screw-in bone implant for dental purposes

Details self-taping screw-in bone implant for dental purposes self-taping screw-in bone implant for dental purposes

1988-03-17

1989-09-05

Peshock, Robert

Dentistry

Prosthodontics

Holding or positioning denture in mouth

A61C 1300

Patent

active

048633836

ABSTRACT:
The implant for dental purposes comprises a socket (4) and is provided with self-tapping screw threads, which are screwed into a pilot bore formed in the jaw bone. The socket receives a post (10), which has a stem (13) and is adapted to carry dental suprastructures. The stem (13) of the post is provided at its inner end with male screw threads (16), which have been screwed into female screw threads formed in the socket. In accordance with the invention the crest diameter of the self-tapping screw threads is equal throughout the axial length of said screw threads to the diameter of the socket (4) at its outer end. The self-tapping screw threads are formed on an axially inwardly tapering shank and continuously decrease in depth to zero from the inner end of said self-tapping screw threads to the outer end of the socket (4) or to a point which is spaced 2 to 3 mm from the outer end of said socket.

REFERENCES:
patent: 2472103 (1949-06-01), Giesen
patent: 4406623 (1983-09-01), Grafelmann et al.
patent: 4486178 (1984-12-01), Schulte et al.
patent: 4713004 (1987-12-01), Linkow et al.

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