Dentistry – Prosthodontics – Holding or positioning denture in mouth
Patent
1990-08-22
1992-02-11
Mancene, Gene
Dentistry
Prosthodontics
Holding or positioning denture in mouth
433225, A61C 800
Patent
active
050872010
ABSTRACT:
A self-threading pin (1) for the implantation of a dental prosthesis is formed at one end with a drill bit (2). The screw threaded portion (3) of the pin (1 ) is provided with longitudinal flutes (5) for discharging the drilled material, departing from the rear end of the discharge grooves (4) of the drill bit (2) and extending along the whole length of the screw threaded portion (3) of the pin (1). The head (6) of the pin has a polygonal cross sectional shape for driving the pin by a tool.
REFERENCES:
patent: 3861043 (1975-01-01), Lieb et al.
patent: 4171569 (1979-10-01), Rovins
patent: 4187611 (1980-02-01), Chan
patent: 4365958 (1982-12-01), Vlock
patent: 4746294 (1988-05-01), Colombo et al.
Mondani Luigi P.
Mondani Maria P.
Lepiane Adriene B.
Mancene Gene
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