| 摘要 |
<p>The structure has an oral-cavity orthodontic support (20) detachably connected with an auxiliary mounting tool (10). Two side plates of the tool are provided with a parallel long edge that is engaged with a guide slot (28) of the support. The tool is made of metal sheets with 0.15 to 0.8 mm thickness, and is formed into a narrow slot between two side plates. The narrow slot is externally extended along a symmetrical axis. Length and width of the narrow slot are 1.0 to 5.0 mm and 0.1 to 0.8 mm, respectively.</p> |
