Dentistry – Apparatus – Broach
Patent
1994-05-13
1996-05-14
O'Connor, Cary E.
Dentistry
Apparatus
Broach
433141, 433224, A61C 502
Patent
active
055162878
ABSTRACT:
A dental root-canal preparation instrument includes a grip and a tool contained therein. The grip has a body fitted at its periphery with axially spaced zones preferably in the form of rings projecting above the periphery of the body. The rings are made of silicone rubber to increase grippability when manually grasping the preparation instrument.
REFERENCES:
patent: 2603999 (1952-07-01), Boutte
patent: 3185001 (1965-05-01), Viator
patent: 5054154 (1991-10-01), Schiffer et al.
patent: 5339482 (1994-08-01), Desimone et al.
O'Connor Cary E.
Vereinigte Dentalwerke Antaeos Beutelrock Zipperer Zdarsky Ehrle
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