| 摘要 |
<p>Disclosed is a dental retractor including a material which is easily bent and shaped and has shape-memory characteristics that allow the material to return to the original shape thereof under certain conditions. The dental retractor of the present invention comprises: a bar-shaped retraction, which is supported by a tooth and lifts gingival tissue away; and a handle portion connected to one side of the retraction portion, wherein the material of the handle portion and the retraction portion includes nitinol, thereby being easily bent manually and providing shape-memory characteristics. The dental retractor as configured above can increase the convenience of a surgery by easily bending as needed during a surgery and returning to the original shape thereof under certain conditions after a surgery.</p> |
