Dental hygienic device

Details Dental hygienic device Dental hygienic device

1974-08-26

1976-08-31

Peshock, Robert

A61C 306

Patent

active

039770842

ABSTRACT:
A dental hygienic device including a unique prophylactic cup for removal of dental plaque and/or polishing teeth. The generally bell shaped prophylactic cup includes an inner generally concave working surface for engagement of the tooth surfaces. The inner surface will form an outwardly flaired lip to conform with and adapt to the irregular surfaces of teeth and for limited, controlled entry into the gingival crevice. The inner working surface therefor abrasive members which may vary according to the distance from the outer lip of the inner surface and the outer surface of the cup includes a member which will limit entry of the outer lip of the cup into the gingival crevice.

REFERENCES:
patent: 1720017 (1929-07-01), Touchstone
patent: 2789352 (1957-04-01), Wiseman
patent: 3461563 (1969-08-01), Nelson
patent: 3675330 (1972-07-01), Drapen
patent: 3757419 (1973-09-01), Hopkins
patent: 3775849 (1973-12-01), Condon
patent: 3858368 (1975-01-01), Cocherell

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