Dowel post for dental and medical prosthetic devices

Details Dowel post for dental and medical prosthetic devices Dowel post for dental and medical prosthetic devices

1979-12-26

1981-05-19

Mancene, Gene

Dentistry

Method or material for testing, treating, restoring, or...

Crown

433174, A61C 508

Patent

active

042682533

ABSTRACT:
A dowel post for securing dental and medical prostheses is provided having improved retention when cemented in a parallel-sided blind hole, and which reduces build-up of hydrostatic pressure ahead of the post as it is inserted. The dowel post comprises a head on which said prosthesis is formed or mounted and a shaft extending downwardly therefrom having a channel formed therealong providing a flow path for the cement. The channel is formed by one or more and preferably four or five helical concave flutes wound about the axis of the post at a pitch angle to the axis of 70.degree. or less and preferably at about 45.degree..

REFERENCES:
patent: 659196 (1900-10-01), Johnson
patent: 1307446 (1919-06-01), Kerr
patent: 2536669 (1951-01-01), Thau-Jensen
patent: 3364575 (1968-01-01), Baker
patent: 3499222 (1970-03-01), Linkow et al.
patent: 3672058 (1972-06-01), Nikoghossian
patent: 3928915 (1975-12-01), Ellman
patent: 4103422 (1978-08-01), Weiss et al.

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