Dentistry – Apparatus – Having intra-oral dispensing means
Patent
1990-02-09
1992-03-10
O'Connor, Cary E.
Dentistry
Apparatus
Having intra-oral dispensing means
433215, A61C 302
Patent
active
050946153
ABSTRACT:
A head or handpiece for a dental cleaner which cleans teeth by impinging soluble abrasive particles against teeth in the presence of a liquid. The head includes a gas/abrasive tube and a water tube which opens into an accumulator. The water is injected from the accumulator into the gas/abrasive tube through a hole therein. The water, air and abrasive combine in the air/abrasive tube to form a fine mist which exits through a nozzle. The exiting mist is formed to enable a hygienist to clean a small area of a tooth. A constant supply of bleed air flows through the gas/abrasive tube to force out remaining abrasive and fluid after the abrasive and fluid flow have been discontinued. A sleeve with a pair of bores through its sides is placed on the end of the nozzle to prevent water from backing up and clogging the head when the nozzle is pressed against a tooth.
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O'Connor Cary E.
Young Dental Manufacturing Company
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