摘要:
In a medical or dental treatment instrument (1) for chip-removing treatment of body tissue or a substitute material with an abrasive tool (7), consisting of a handpiece (2) with an oblong gripping sleeve (41), in the front end area of which a vibration part (4) is supported, which can be set vibrating by a vibration generator (5), the handpiece (2) being connected or connectable at its rear end area to a flexible supply line (18), which extends from a supply device, the output of the vibration generator (5) is variable, and a control device (72) is provided with which the output can be increased or reduced.