| 摘要 |
An ultrasonic dental scaler comprising a handpiece and a control unit. The handpiece includes include a tip, and a water irrigator for providing water to the tip, the handpiece being constructed and arranged to vibrate the tip. The control unit is in communication with the handpiece and receives electrical feedback from the tip. The control unit automatically controls water flow from the water irrigator to the tip and the vibration of the tip based on the received electrical feedback.
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