The work process of this machine adopts microcomputer automatic control, which is easy to operate and of high efficiency. Only one mode switching button, the machine can be started or turned off by pressing the mode switch button, Ultrasonic activator has three modes, sleep mode, hot standby mode, and irrigation mode (work mode). Ultrasonic activator is of stable performance and adopts, an , automatic frequency tracking system which can automatically, search, for the best, working state. The tips, Endo wrench and hand piece are removable and can be, autoclaved , under high temperature of 134.C and high pressure of 0.22Mps. Root canal vibration amplitude is small, causing no damage to the root canal system meanwhile, it is closer to the bottom of the root canal. Root canal vibration frequency is high making irrigation more efficient