| 摘要 |
<p>An orthodontic bracket comprising a body having an archwire slot and adapted to be secured to a tooth, and a clip coupled to the body and movable between an open position, permitting access to the archwire slot, and a closed position, inhibiting access to the archwire slot The clip comprises a base material having recesses formed by laser-ablation, and a coating formed over at least a portion of the base material and over at least one of the recesses.</p> |
