The control of anchorage has been a difficult question orthodontics.

摘要支抗的控制一直是正畸领域的难点.

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Extraoral anchorage was only used in 11 cases.

仅11例病例使用口外支抗.

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Objective: Discuss stability, osseous reaction and metabolizability of implant anchorage affter received orthodontic force.

目的: 本研究旨在探讨种植体支抗受正畸力力系作用后的稳定性, 骨组织的反应及骨代谢的情况.

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The mean change of molar position was 0.50 mm , which was significantly less than that with traditional extra anchorage.

磨牙位移量平均为0.50mm, 明显小于传统强支抗方式.

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Objective To evaluate the efficiency of the self - drilling miniscrew implant for molar distal movement.

目的评价自攻型微种植体作为强支抗移动上颌磨牙向远中的有效性.

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Single tooth, a group of teeth or extraoral anchorage can be used in anchorage control.

正畸支抗的设计和控制对于矫正成功是至关重要的因素之一,通常由口内的单个牙 、 组牙或口外装置来实现.

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Methods: Divide 40 patients in need of maximum anchorage into 2 equal groups at random.

方法: 在40例需要强支抗的临床病例中,采用随机方法分为2组,每组20例.

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