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首页> 外文期刊>American Journal of Orthodontics and Dentofacial Orthopedics >En-masse protraction of mandibular posterior teeth into missing mandibular lateral incisor spaces using a fixed functional appliance
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En-masse protraction of mandibular posterior teeth into missing mandibular lateral incisor spaces using a fixed functional appliance

机译：使用固定的功能矫治器将下颌后牙大量推入缺失的下颌侧切牙空间

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摘要

Protraction of mandibular posterior teeth requiring absolute anchorage has always been a challenge, especially when the space is located in the anterior region, since more teeth must be protracted. Traditionally, skeletal anchorage devices have been used for anchorage reinforcement during protraction. However, drawbacks such as requirement of a surgical step, inability to tolerate heavy forces, and patient willingness to undergo such surgical procedures can be limiting factors. Additionally, the mechanics involved can sometimes create undesirable side effects, thereby limiting their application in such situations. This report describes the use of a fixed functional appliance as an anchorage-reinforcement device for en-masse protraction of mandibular posterior teeth into a missing lateral incisor space.
机译：需要绝对锚固的下颌后牙的拉伸一直是一个挑战，特别是当空间位于前部区域时，因为必须延长更多的牙齿。传统上，骨骼锚固装置已用于在伸出过程中进行锚固加固。然而，诸如需要外科手术步骤，不能忍受沉重的力以及患者愿意进行这种外科手术的缺点是限制因素。另外，所涉及的机制有时会产生不良的副作用，从而限制了它们在这种情况下的应用。该报告描述了使用固定功能器具作为锚固加固装置，用于将下颌后牙大范围内推入缺失的侧切牙空间。

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