| 摘要 |
A dental prophylaxis and air appliance for in-home use having a pressurized air source, a pneumatic or mechanical switching device to turn on and off the air source, a hand piece, and a pressurized reservoir for a mixture of dry or wetted abrasive and non-abrasive components. The compressed air is delivered to the hand piece by a line that meters out and discharges the post-mixed water slurry of abrasive or non-abrasive components.
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