| 摘要 |
<p>A dental filing tool having a handle easy to hold between fingers which arches over and secures at both ends of a thin filing strip coated with some superfine abrasive material, especially but not limited to diamond dust, or alternatively a sharp cutting system along the edge or lateral surface. From hole-like openings at each end, the strip is fastened between each end of the handle with sufficient tension in the strip to create a rigid filing and grinding surface. The handle is made of two pieces with male and female from formable materials not limited but like plastics injected into mold which can be snapped together into one piece with a filing strip inserted. On the outside edge of each vertical arm of the handle is a smooth flatten surface where to place fingers to hold the handle.</p> |
