Dentistry – Apparatus – Hand manipulatable implement
Patent
1978-04-03
1980-04-15
Mancene, Louis G.
Dentistry
Apparatus
Hand manipulatable implement
81421, A61C 316
Patent
active
041976479
ABSTRACT:
Curved dental pliers particularly suited for removing crowns and other dental prostheses are scissors-like or nut-cracker-like in action, the scissors-like pliers having a pair of fulcral projections to the rear of the pivot joint and the others having a fulcrum at the pivot. The fulcral projections locate a proper fulcral point and provide for proper orientation in the arc of removal. The pliers include interchangeable removable cushioning pads for gripping the dental work without damaging same. A support member for use in conjunction with the pliers provides a firm base for receiving the thrust of the fulcral projections.
REFERENCES:
patent: 511067 (1893-12-01), Walter
patent: 772324 (1904-10-01), Asdell
patent: 784098 (1905-03-01), Beazley
patent: 1626226 (1927-04-01), Cantor
patent: 1913770 (1933-06-01), Olenik
patent: 2937446 (1960-05-01), Weisenfeld
patent: 3503397 (1970-03-01), Fogarty et al.
patent: 3866610 (1975-02-01), Kletschka
patent: 3898738 (1975-08-01), Linder
"New Instrument for Removing Crowns and Impressions," Dental Abstrats., vol. 8 #9, 9-1963, p. 551.
Mancene Louis G.
Wilson John J.
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