Device for cleaning teeth

Details Device for cleaning teeth Device for cleaning teeth

1982-08-13

1984-07-31

Swiatek, Robert P.

Dentistry

Apparatus

Having intra-oral dispensing means

433125, 51439, A61C 302

Patent

active

044628030

ABSTRACT:
A device for cleaning teeth by projecting water and a carrier gas containing an abrasive at the surface characterized by a nozzle having at least one water discharge aperture and a gas discharge aperture adjacent the water discharge aperture, the water discharge aperture being connected to a source of water, the gas discharge aperture being connected to a mixing chamber which in turn is connected by a channel to a source of carrier gas containing abrasive and by a separate channel to an additional source of abrasive-free gas which is directed into the mixing chamber through an acceleration jet so that the abrasive-free gas having a higher acceleration energy in comparison to the carrier gas mixes with the carrier gas to accelerate it as the abrasive-free gas passes through the mixing chamber and the discharge aperture.

REFERENCES:
patent: 2874470 (1959-02-01), Richards
patent: 3972123 (1976-08-01), Black
patent: 4174571 (1979-11-01), Gallant

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