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Often wash a tooth can damage the teeth?

　　According to the international well-known oral expert Professor Cui Rongshuo, traditional scaling in medicine is also called ultrasonic scaler. Ultrasonic scaling is the use of ultrasonic scaler, the working head is placed on the tooth surface, removing the tooth surface by ultrasonic vibration in different parts of the calculus. Sell dental work head gently touch calculus, achieve rapid gravel purpose. Therefore, ultrasonic scaling will not cause the teeth to injury.