Parapulpal dental restorative pins with self-anchoring anti-rota

Details Parapulpal dental restorative pins with self-anchoring anti-rota Parapulpal dental restorative pins with self-anchoring anti-rota

1979-12-06

1981-06-30

Peshock, Robert

Dentistry

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

Anchor pin

A61C 504

Patent

active

042760275

ABSTRACT:
Parapulpal dental restorative pins for use with all forms of dental restorative materials, including impression-taking materials, modeling waxes and the like, as well as amalgams, gold and other materials used for constructing a superstructure on a natural tooth, have heads to anchor the pins in such materials, and means on the head to prevent the head from rotating around the longitudinal axis of the pin in the restorative material. A constricted neck between the head and the principal body of the pin allows the head to be oriented into a plane that is not perpendicular to the pin axis. The heads can take various shapes and configurations. A composite pin, having a principal body made of one material and a head made of another is shown.

REFERENCES:
patent: 2438725 (1948-03-01), Tamarin
patent: 3272059 (1966-09-01), Lyday et al.
patent: 3473223 (1969-10-01), Karlstrom
patent: 3530584 (1970-09-01), Karlstrom

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