| 摘要 |
<p>PURPOSE: To facilitate opening/closing of an arc-shaped wire lod cover put on a bracket for dentistry. CONSTITUTION: This bracket tool 100 for dentistry is composed of a tube 125 having a protrusion 160 doubly forming the right angle at an end part. The protrusion 160 is formed tapered toward a tip part 150 in such a way that the tip part 150 is easily engaged under a closed hinge cover 30 of a bracket 10 to be rotatable around an arc-shaped wire 50. In the protrusion 160 forming the right angle, the tapered tip part 150 rotates the hinge cover 30 to open the bracket 10 for dentistry provided with a hinge at an aperture part.</p> |
