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综合治疗的第三阶段：完成

拔牙位牙根平行 个别牙的位置调整 切牙转矩 中切牙垂直向关系 深覆禾 前牙开禾. 综合治疗的第三阶段：完成. 中线不一致 牙齿大小不一致 牙齿的最终 “ 建禾 ” 拆除托槽和带环 完成正位器 为防止复发采取的特殊完成过程 控制不利生长 控制软组织反弹.

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综合治疗的第三阶段：完成

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  1. 拔牙位牙根平行 个别牙的位置调整 切牙转矩 中切牙垂直向关系 深覆禾 前牙开禾 综合治疗的第三阶段：完成

  2. 中线不一致 牙齿大小不一致 牙齿的最终“建禾” 拆除托槽和带环 完成正位器 为防止复发采取的特殊完成过程 控制不利生长 控制软组织反弹

  3. During space closure with the edgewise appliance，It is almost always a goal of treatment to produce bodily tooth movement during space closure，preventing the crowns from tipping together. If proper moment一to一force ratios have been used，little if any root paralleling will be necessary as a finishing procedure，On the other hand，it is likely that at least a small amount of tipping will ccur in some patients and therefore some degree of root paralleling often will be necessary. 在用方丝弓矫治器关闭间隙时，治疗目标通常是使牙齿整体移动，防止牙冠倾斜。如果能很好地控制力∕力矩的比率，则在完成阶段很少需要正轴。然而总是有一些患者会发生略微的倾斜，因此需要一定程度的正轴。 拔牙位置牙根平行

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