Dental handpiece for the treatment of root canals

摘要

The handpiece (1) has a connecting device (3) connecting the handpiece to a control and analyzing unit, a measurement circuit including a power source and a drive unit e.g. electric motor. An electrically conducting tool receptacle (4) and an electrically conducting driving device (5) are driven by the drive unit, where the driving device is drivingly coupled to the tool receptacle at connections (6, 7). A sliding contact (8) transmits signals between the drive unit and the tool receptacle. The handpiece includes a handle part (30), a neck part (20) arranged at an angle to the handle part and a handpiece head arranged at an angle to the neck part.