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首页> 外文期刊>Angle Orthodontist >Dentofacial effects of asymmetric headgear and cervical headgear with removable plate on unilateral molar distalization.
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Dentofacial effects of asymmetric headgear and cervical headgear with removable plate on unilateral molar distalization.

机译：不对称头饰和带可移动钢板的颈头饰对单侧磨牙远侧化的牙面效应。

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摘要

Cervical headgear (CHG) is used widely in the treatment of Class II anomalies. Asymmetric headgear (AHG) is an alternative treatment for the correction of unilateral Class II dental relationships. The purpose of this investigation was to compare the effects of AHG with those of a CHG combined with a removable plate in unilateral first molar distalization. The study consisted of 20 patients with unilateral Class II molar relationship (12 girls and eight boys). One group of 10 patients was treated with an AHG, and a second group of 10 patients was treated with a CHG and a removable plate. Lateral cephalograms and basilar radiographs were taken before and after molar distalization. It was found that distalization and distal tipping of molar on the passive side was less in the CHG and removable plate (CHG-RP) group. Distalization and distal tipping of the second premolar on the distalization side was also reduced in this group. Incisors were retruded in both groups but were retruded more in the CHG-RP group.
机译：颈带（CHG）被广泛用于治疗II类异常。不对称头饰（AHG）是矫正单侧II类牙齿关系的替代疗法。这项研究的目的是比较AHG与CHG结合可移动板在单侧第一磨牙远侧切开术中的效果。该研究由20名单侧II类磨牙关系患者组成（12名女孩和8名男孩）。一组10例患者接受AHG治疗，另一组10例患者接受CHG和可移动钢板治疗。在磨牙远端术前后，分别进行侧位头颅造影和基底位片。发现在CHG和可移动板（CHG-RP）组中，被动侧磨牙的远侧化和远侧倾斜较少。在该组中，第二远侧磨牙在远侧侧的远距和远侧倾斜也减少了。两组均切牙切开，但CHG-RP组切牙切开更多。

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