This document specifies requirements, test methods, instructions for use and marking for multifunction handpieces (colloquially called syringes ) intended to be used in the oral cavity of the patient. The multifunction handpieces are connected to dental units and provide the user with water, air and spray for treatment purposes. Some multifunction handpieces provide also illumination of the situs. This document does not apply to dental handpieces and motors, dental turbines, intraoral cameras, contra angels, dental polymerisation lamps, powered scalers, powder jet handpieces, prophy handpieces, suction cannulas and saliva ejectors.