Device for extracting dental prostheses, crowns and the like

Details Device for extracting dental prostheses, crowns and the like Device for extracting dental prostheses, crowns and the like

1989-09-21

1991-05-14

Stone, Cary E.

Dentistry

Apparatus

Hand manipulatable implement

433153, A61C 314

Patent

active

050151851

ABSTRACT:
The device for extracting dental crowns has two levers, each having a handgrip and a jaw. The levers are pivotally connected so that the jaws are moved apart by moving the handgrips closer together. A body is articulated to one of the jaws and guided in a seat of the other jaw, and supports two opposite hook-like elements which oscillate in a plane perpendicular to the plane of the levers. The other jaw has abutments adapted to rest on teeth adjacent the crown to be extracted. In the position of mutual approach of the jaws, the hook-like elements engage the edges of the crown so that by acting on the levers a force is exerted for the extraction of the crown against the resting reaction of the abutments on the adjacent teeth.

REFERENCES:
patent: 1094269 (1914-04-01), Taylor

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