Dental anchor

Dentistry – Method or material for testing – treating – restoring – or... – Anchor pin

Patent

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Details

A61C 504

Patent

active

043370438

ABSTRACT:
A dental anchor is disclosed comprising an elongated body member for insertion into a channel in a tooth in order to anchor a superstructure to the tooth. The body member has at least one section with a substantially square cross-section. The longitudinal corner portions of the section are provided with self tapping threads for threading into the channel. Preferably, the body member includes two similar sections joined together by a reduced thickness portion so that one section can be bent relative to the other section when seated in the channel to provide an anchoring portion for the superstructure. Two dental anchors may be joined together by a reduced thickness frangible member, where the thickness of the reduced thickness portion of each dental anchor has a thickness greater than any thickness of the frangible member. Accordingly, the longitudinal side surfaces of the dental anchor are spaced from the walls of the channel when the anchor is seated in the channel to provide spaces therebetween, so that cement can be disposed in these spaces to fixedly secure the dental anchor in the channel.

REFERENCES:
patent: 2413333 (1946-12-01), Myerson
patent: 3499222 (1970-03-01), Linkow et al.
patent: 3928915 (1975-12-01), Ellman

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