| 摘要 |
PROBLEM TO BE SOLVED: To provide an orthodontic bracket 1 to be hardly broken, to be appropriately filled with an adhesive, and having high adhesion strength with teeth. SOLUTION: The orthodontic bracket 1 is bonded to the surface of teeth with the adhesive for holding an orthodontic wire bridged on the surface of prescribed teeth. A plurality of notched grooves 1F extending from left/right ends or upper/lower ends to the center are formed on a base surface 1A of the orthodontic bracket 1 to be bonded to the surface of the teeth. The width of the notched groove 1F becomes larger toward the end side from the center. COPYRIGHT: (C)2010,JPO&INPIT |
