| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a dental handpiece that can also be used for the purpose of beauty treatment. SOLUTION: The hand piece consists of main body 1, head 2 which is mounted on the top of the main body 1, cutting bar 3 which is planted in the head 2 as it can round and be attached to or detached from it freely, and hole 4 for spray that is made in the head 2. Spray 5 in which particles are mingled is sprayed toward teeth from the hole 4. Whether the cutting bar 3 is cutting a tooth or not, the spray 5 is sprayed from the hole 4 so as to grind and clean the surface of tooth for the purpose of beauty treatment.</p> |
