结论：TPA能满足正畸治疗中强支抗的需要，特别能很好地控制垂直向支抗。
Conclusion: TPA can be used as maximum anchorage in the orthodontic treatment, especially to reinforce the vertical anchorage.
舌侧矫治器的优点是美观、支抗强、易于打开咬合。
The advantages of lingual appliance are delight, maximum anchorage and easy to open bite.
舌侧矫治器的优点是美观、支抗强、易于打开咬合。
The advantages of lingual appliance are delight, maximum anchorage and easy to open bite.
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