超声波的牙刷

Ultrasonic Toothbrush is a new-type brush following common toothbrush and electric toothbrush. The main factor to cause a ripple effect of decayed tooth and periodontosis, and the forming of dental calculus is mutans. To brush the teeth with an ultrasonic brush, the ultrasonic wave will affect mutans directly, breaking the combination of bacterium and destroying them. Ultrasonic wave energy of cavitations can make it easier to fall off by loosening the combination between bacterium surface and dental calculus. Also ultrasonic toothbrush can get rid of the bacterium without difficulty which hides between teeth and gum and can’t be rushed off easily by common toothbrush and electric toothbrush. According to a clinical experiment in U.S.A, the clearance of dental calculus may reach 97% and reduce 74% of the emergence at night by using ultrasonic toothbrush for one time. In addition, ultrasonic can prevent the occurrence of tooth inflammation, gum hemorrhage, and atrophy of the gum effectively. Ultrasonic refers to an acoustic wave beyond frequency range which can be heard by human ears (20--200000Hz). At present it is widely used in cleaning semiconductors and glasses. Ultrasonic toothbrush can get rid of tiny dirt by adopting the acoustic wave of 1.6MHz which can easily penetrate human body, and it won’t hurt human tissue or destroy the tooth surface. The drive circuit installed in Ultrasonic toothbrush drives the ceramic chip fixed in the brush to make vibration, then transmit ultrasonic energy which is passed through to the surface of teeth and gum. It is regarded as the most suitable time to brush teeth for 1.5-2minutes. So the ultrasonic toothbrush will be powered off automatically after a continuous work of about 100seconds. The battery can support the toothbrush to work for about two month continuously. The ultrasonic toothbrush adopts a full waterproof structure, of which the handle has not any outer metal electrode or electric wire to ensure the safety. Ultrasonic toothbrush can not only clean the blind area of the common toothbrush, clean the surface of the teeth more thoroughly and prevent the occurrence of periodontosis, but also prevent the occurrence of tooth inflammation, gum hemorrhage, and atrophy of the gum. Ultrasonic toothbrush will definitely take place of traditional toothbrush by incomparable magical clinical effect, which has a huge market potential.