Combined material applicator and gingival tissue retractor for m

Details Combined material applicator and gingival tissue retractor for m Combined material applicator and gingival tissue retractor for m

1988-08-09

1990-06-05

Apley, Richard J.

Coating implements with material supply

Including means to apply material-moving force

Piston-provided reservoir

433 89, B67D 500, A61C 900

Patent

active

049309200

ABSTRACT:
An applicator particularly useful in making dental impressions, includes a barrel for containing a dental impression material, an ejector nozzle fixed to the barrel at one end through which the dental impression material is to be ejected, a plunger movable through the opposite end of the barrel for ejecting the dental impression material through the ejector nozzle, and a retractor adjacent to the tip of the ejector nozzle for retracting the gingival tissue at the time the dental impression material is ejected.

REFERENCES:
patent: 953022 (1910-03-01), Dollin et al.
patent: 1033819 (1912-07-01), McMann
patent: 1568347 (1926-01-01), Shaw
patent: 2837824 (1958-06-01), Moller
patent: 3221409 (1965-12-01), Thiel et al.
patent: 3827147 (1974-08-01), Condon
patent: 3872866 (1975-03-01), Lelicoff
patent: 4627834 (1986-12-01), Lee

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