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Ultrasonic toothbrush 1.It combination of low-frequency ultrasonic toothbrush (acoustic) and high frequency (ultrasonic) shock brought unprecedented cleaner your feelings. 2.Good ultrasonic cavitation, while complex with excellent surface cleaning effect. It also has high-frequency ultrasound, wave length, dissemination directional good, strong penetration characteristics 3. widely used in military, medical, cosmetic industry. 4.Easy to use ultrasonic toothbrush easy white the ultrasonic cavitation effect, issued by the ultrasonic water molecules can be 20,000 times per second over a sharp compression 5.a large number of vacuum bubble moment shoved broken, which will have a strong penetrating power and the role of refraction so that the tooth surface tartar was falling off 6.no damage to teeth, to achieve clean, whitening teeth role.