Implement for extracting dental crowns, bridges and the like

Details Implement for extracting dental crowns, bridges and the like Implement for extracting dental crowns, bridges and the like

1991-08-15

1993-03-30

O'Connor, Cary E.

Dentistry

Apparatus

Hand manipulatable implement

433159, 433157, A61C 300

Patent

active

051978776

ABSTRACT:
An implement for extraction of crowns or bridges from the mouths of dental patients has one or more pairs of jaws and/or one or more hooks or a flexible wire engageable with a crown or bridge at a distance from the edge of the crown or bridge and at a distance from the gums of the patient, and a force applying unit which can pull the jaws and/or the hook or hooks or the wire in a direction to lift the crown or the bridge off the respective tooth or teeth. The jaws can engage spaced-apart portions of external surfaces of crowns, and the hook or hooks or the wire can engage the connector or connectors between neighboring crowns of a bridge.

REFERENCES:
patent: 3377704 (1968-04-01), Brodie et al.
patent: 3579834 (1971-05-01), Reed, Jr.
patent: 3834026 (1974-09-01), Klein
patent: 4197647 (1980-04-01), Goldenthal
patent: 4417876 (1983-11-01), Lynch
patent: 4474500 (1984-10-01), Lynch
patent: 5015185 (1991-05-01), Cane et al.

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