Note: This product is suitable for dental professionals to operate. specification: Item Type: Dental Prophy Polisher_x000D_Material: Metal _x000D_Purpose: To remove tartar, stain and polish tooth surface_x000D_Usage_x000D_1. Place the weak suction pipe under the patient's tongue;_x000D_2. Use the high speed suction on the dental chair to remove the excess powder and water mixture away from treatment site;_x000D_3. When in use, the nozzle is 3 to 5mm from the tooth surface, spray at an angle of 30 degrees to 80 degrees, and make the nozzle move in a small circle;_x000D_4. After the completion of treatment, adjust the water level of the instrument to the maximum to rinse the tooth surface. Features: 1Effective remove concealing dental teeth tartar and remove stains and polish the surface of teeth. 2Sandblasting evenly dispersed, no splashing and convenient to use, suitable for dentist to use, practical tool. 3Special design to prevent backflow and blockage, made of high quality metal material for durable and reliable use. 4Easy to clean and maintenance, there are 2 different types available for you to choose to meet your different demands. 5Can withstand high temperature cleaning, wonderful and essential tool accessories for dentist and dental chairs. PackageList: 1 x Nozzle1 x Host1 x Concealing Cover1 x Needle1 x Small Gasket1 x Large Gasket1 x Manual