Dentistry – Apparatus – Having absorption means or means to isolate tooth or mouth...
Patent
1984-06-04
1986-07-15
Peshock, Robert
Dentistry
Apparatus
Having absorption means or means to isolate tooth or mouth...
A61C 514
Patent
active
046003878
ABSTRACT:
A dam frame and a dam assembly for use during dental procedures. A two-member elliptical radiolucent plastic frame is provided having arcuate openings matching the upper and lower teeth of a patient and an opening adjacent the throat area. A rubber dam sheet is disposed between the two frame members so as to cover the openings. To produce a dam assembly, the frame is bent along its minor axis to place in a patient's mouth. The dam sheet may be cut or punched to isolate one or more teeth with the uncut portions protecting the patient's throat and mouth.
REFERENCES:
patent: 1774285 (1930-08-01), Middaugh
patent: 2937445 (1960-05-01), Erickson
patent: 3396468 (1968-08-01), Dayhoff
patent: 4544357 (1985-10-01), Williams
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