1977-10-19
1979-10-23
Mancene, Louis G.
A61C 504
Patent
active
041715691
ABSTRACT:
Novel dental pins having a first shaft, a handle secured to one end of the first shaft, and a second shaft connected to the handle at a point substantially directly opposite the attachment of the first shaft. Each shaft preferably has a roughened or uneven surface to improve the retention of that portion thereof which remains in a pre-drilled hole in a patient's tooth. Each shaft also has a fracture groove between the leading portion of the shaft and the handle so that the handle and the remaining portions of the shafts adjacent thereto can be separated from the leading portions which remain in the pre-drilled holes after insertion. Preferably, each shaft has a self-tapping flute at the leading edge thereof which cuts a thread into the dentine as the shaft is rotatably inserted therein.
REFERENCES:
patent: 71909 (1867-12-01), Pierce
patent: 686424 (1901-11-01), Smith
patent: 1294268 (1919-02-01), Holmes
patent: 3861043 (1975-01-01), Lieb et al.
patent: 3905375 (1975-09-01), Toyama
Hirsch Joseph I.
Mancene Louis G.
Moran Tom M.
Star Dental Manufacturing Co. Inc.
Wilson John J.
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