Dental prophy cup having a paste-distributing channel arrangemen

Details Dental prophy cup having a paste-distributing channel arrangemen Dental prophy cup having a paste-distributing channel arrangemen

1994-03-01

1994-11-01

O'Connor, Cary E.

Dentistry

Apparatus

Tool bit

A61C 306

Patent

active

053603397

ABSTRACT:
A dental prophy cup comprises a flexible body having a cavity formed therein. A rear end of the cavity includes a paste reservoir for storing an abrasive paste. Paste-delivery channels extend forwardly from the reservoir and intersect front and rear circumferentially extending paste-distribution channels. Under the action of centrifugal force occurring during a tooth-cleaning procedure, paste is fed forwardly along the delivery channels and is distributed within the distribution channels. Between the channels is disposed a pattern of ridges which are capable of flexing relative to one another to conform to the shape of a tooth surface.

REFERENCES:
patent: 2017881 (1935-10-01), Wiseman
patent: 2093006 (1937-09-01), Chott
patent: 2135933 (1938-11-01), Blair
patent: 2226145 (1940-12-01), Smith
patent: 2738528 (1956-03-01), Fridge, Sr.
patent: 2789352 (1957-04-01), Wiseman
patent: 3163934 (1965-01-01), Wiseman
patent: 3599333 (1971-08-01), Muhler
patent: 4259071 (1981-03-01), Warden et al.
patent: 4854870 (1989-08-01), Kofod
patent: 4929180 (1990-05-01), Moreschini

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