Dental handpiece is the most common dental clinical treatment equipment, handpiece can be divided into dental
high-speed handpiece and dental low-speed handpiece, its working principle is based on compressed air power,
drive rotor high-speed rotation, thus promote dental burs to complete assignments of tooth drill grinding in the l
ow speed handpiece machine and bending machine, and straight handpiece is for grinding and polishing, was
used to treat,The bending is done orally. Other dental products