...抗近中移动下颌磨牙效果比较 关键词]磨牙近中移动;种植体支抗;口内支抗;安氏I类错牙合 [gap=1187]Key words:molar mesialization;implant anchorage;intraoral anchorage;angle I malocclusion ...
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实验研究也显示在阻止磨牙近中移动方面，该系统优于腭托及唇挡。
The experiment also show the removable heavy labial wire anchorage system is better than Nance palatal arch and lip bumper.
结论：第二前磨牙拔除患者可发生第二磨牙近中移动，导致磨牙后间隙增加。
Conclusion This reflects that the second molars could move mesially during treatment in the second premolars extraction subjects, which can lead to the increase of the retromolar space.
结果两组上颌第一磨牙近中移动量差异有显著性，而两组上颌前牙腭向位移量差异无显著性。
Results Statistically significant difference was detected among two groups in the upper first molar mesial moving, no significant difference was noted in the upper anterior teeth palatal moving.
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