Dental handpieces with supplied operating media

摘要

A dental treatment installation comprising at least one dental handpiece having an air operated drive motor and an outlet for discharging operating media used for dental purposes, a spray handpiece, a control arrangement for controlling the supply of operating media to the handpieces, and a storage device for the handpieces having storage switching-means which are arranged to place the handpieces on stand-by to receive operating media upon extraction of the handpieces from the storage device. The control arrangement includes supply sleeves having ducts for supplying operating media to both types of handpiece, couplings for releasably coupling the supply sleeves to the handpieces, and a foot-operated device for regulating the supply of operating media to the handpieces and including first switching-means for controlling the supply of air to drive the motor of the dental handpiece and second switching means for controlling the supply of spray to the dental handpiece.