Dental prophylaxis device and air appliance
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United States of America Patent
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Aug 29, 2017
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app pub date -
Aug 29, 2014
filing date -
Aug 29, 2014
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Abstract
A dental prophylaxis and air appliance having a pressurized air source, a hand piece, and a manually actuated slurry container containing a mixture of dry or wetted abrasive and non-abrasive components. The compressed air is delivered to the hand piece by a line that combines the compressed air with the components and discharges the post-mixed water slurry of abrasive or non-abrasive components. The hand piece is configured to include a series of valves adapted to define one or more stages for containing components and encourage mixing thereof during operation.
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