Abrasive lined prophy cup

Details Abrasive lined prophy cup Abrasive lined prophy cup

1991-03-29

1992-01-28

O'Connor, Cary E.

Dentistry

Apparatus

Tool bit

A61C 306

Patent

active

050839225

ABSTRACT:
A dental prophylaxis polishing cup of the traditional size, shape, material, and attachments, for use with a rotary dental hand piece. The inside wall of the cavity is provided with an abrasive lining of material such as silicon carbide, arranged in a network pattern, or random pattern, with a narrow, abrasive free margin at the opening edge. The prophylaxis cup is provided in different colors denoting the degree of abrasiveness found inside each different colored prophylaxis cup: blue/coarse, green/medium, grey/fine, and pink/extra-fine.

REFERENCES:
patent: 2226145 (1940-12-01), Smith
patent: 2738528 (1956-03-01), Fridge, Sr.
patent: 2789352 (1957-04-01), Wiseman
patent: 3599333 (1971-08-01), Muhler
patent: 3789462 (1974-02-01), Reich
patent: 4447208 (1984-05-01), Kawai
patent: 4929180 (1990-05-01), Moreschini

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