Active/passive dental posts

Details Active/passive dental posts Active/passive dental posts

1990-11-08

1991-12-17

Wilson, John J.

Dentistry

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

Crown

433220, 433224, A61C 508

Patent

active

050731122

ABSTRACT:
A dental post for securely retaining a dental restoration in a prepared tooth stub. The dental post is formed of an elongated cylindrical rod having an active threaded portion and a passive portion. The dental post is threadedly engaged with a sleeve secured in the tooth stub, which sleeve has at least an active threaded portion.

REFERENCES:
patent: 965246 (1910-07-01), Stallman
patent: 1517500 (1924-12-01), Fredericks
patent: 2536669 (1951-01-01), Thau-Jensen
patent: 4515565 (1985-05-01), Winter-Moore et al.
patent: 4622012 (1986-11-01), Smoler
patent: 4778388 (1988-10-01), Yuda et al.

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