一、概述: CJY-2型超声波洁牙器是一种防治结合的口腔手术器械,它是口腔医学大规模开展牙周病防治不可缺少的新颖器械。它利用换能器手柄中的压电晶体所产生的超声振动(27000～30000次/秒),通过变幅杆集中在工作头端部,当工作头轻轻地接触齿面来回移动时,触及到牙垢或结石时,就 First, an overview: CJY-2-type ultrasonic scaler is a combination of prevention and treatment of oral surgical instruments, dental medicine is large-scale development of periodontal disease prevention indispensable new instruments. It uses ultrasonic vibrations (27,000 ~ 30,000 times per second) generated by the piezoelectric crystal in the handle of the transducer. When the working head touches the tooth surface and moves backwards and forwards through the horn and is concentrated on the end of the working head, To tartar or stone, on