According to the requirements by binding mortar paste on the wall, and use plastic expand screw to anchorage.
用粘结砂浆按要求粘贴上墙，并使用塑料膨胀螺钉加以锚固。
Objective To investigate the changes of soft and hard tissues after extraction space closure with micro-screw implant as orthodontic anchorage.
目的研究以微螺钉为支抗，用直丝弓矫治器滑动法关闭拔牙间隙后的软硬组织变化。
Conclusion: Micro-screw implant anchorage in orthodontic results in significant, is worthy of clinical use.
结论：微螺钉种植体支抗在口腔正畸中效果明显，值得临床推广使用。
Conclusion: Micro-screw implant anchorage in orthodontic results in significant, is worthy of clinical use.
结论：微螺钉种植体支抗在口腔正畸中效果明显，值得临床推广使用。
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