1977-01-12
1978-10-31
Peshock, Robert
A61K 502
Patent
active
RE0298174
ABSTRACT:
A dental pin used in building a superstructure on a tooth having a substantial portion thereof that has been removed. The pin comprises a shaft having a flute at the lower end thereof. The remainder of the shaft is threaded. The flute taps a hole that has previously been drilled in the tooth, and the threads on the shaft are retained in the tapped hole. Thus, the shaft is self-tapping. The shaft also includes an integral handle which permits the rotating of the pin into the tooth. A plurality of the pins are inserted in the tooth in a non-parallel relationship, and a superstructure is built on exposed portions of the pins. A fracture point is formed on each pin in order to break the head off after the pin has been inserted.
REFERENCES:
patent: 114454 (1871-05-01), Mack
patent: 143418 (1873-09-01), Osmond
patent: 2472103 (1949-06-01), Giesen
patent: 3590485 (1971-07-01), Chercheve
patent: 3675328 (1972-07-01), Weissman
patent: 3675329 (1972-07-01), Weissman
Lieb Nathaniel H.
Wallace Richard A.
Hirsch Joseph I.
Peshock Robert
Star Dental Manufacturing Co. Inc.
Walker William B.
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