Dental retention pin and method

Details Dental retention pin and method Dental retention pin and method

1977-10-07

1980-02-12

Kinsey, Russell R.

Dentistry

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

Anchor pin

A61C 500

Patent

active

041876113

ABSTRACT:
A dental retention pin has a threaded longitudinally grooved lower shaft section, an intermediate sealing section for sealing the hole in which the pin is threaded, and an upper section embeddable in a surrounding body of restorative material. A pinhole is drilled in a tooth and the pin is inserted therein by rotation to cut threads in the dentin as fluids are vented through the groove. The sealing section then enters the pinhole to establish a sealing relationship therewith.

REFERENCES:
patent: 2609604 (1952-09-01), Sprague
patent: 3395455 (1968-08-01), Overby et al.
patent: 3434209 (1969-03-01), Weissman
patent: 3579831 (1971-05-01), Stevens et al.
patent: 3672058 (1972-06-01), Nikoghossian
patent: 3675328 (1972-07-01), Weissman
patent: 3675329 (1972-07-01), Weissman
patent: 3861043 (1975-01-01), Lieb et al.
patent: 3905109 (1975-09-01), Cohen et al.
patent: 3934347 (1976-01-01), Lash et al.
"Leakage Around Various Types of Retention Pins", Chan et al., J. Prosthetic Dent., 33:191-194, 2-75.
"Influence of Varnish on Microleakage and Retention...", Moffa et al., J. Prosthetic Dent., 20:540-551, 1968.
"The Adaptation of Noncemented Pins", Perez et al., J. D. Prosth., 26:631-639, 12-1971.

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