A high-speed turbine handpiece that operates at speeds about 100,000 to 800,000 rpm. Features such as attachment type, head size, light source, handpiece weight and motor noise further distinguish high-speed handpieces. The high speed or ultra-speed handpiece operates with a water spray and may have a fiber-optic light to facilitate better visibility. A water spray is necessary to reduce the temperature within the handpiece and surgical site.Be sure whichever dental high-speed handpiece chosen employs quality bearings, as that will ensure longevity of your high-speed handpiece.