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首页> 外文期刊>International Journal of Dental Research >Management of antero posterior discrepancy using expansion appliances- A case series
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Management of antero posterior discrepancy using expansion appliances- A case series

机译:使用扩展矫治器治疗前后壁差异-病例系列

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摘要

Antero-posterior deficiencies are one of the major concerns in adolescents especially when presented with class III malocclusion and anterior cross bite. These discrepancies are generally corrected by protraction of maxilla and expansion during growth period. A 16 year old boy and 12 year old girl presented with midface deficiency with anterior cross bite and Class III malocclusion. Antero-posterior expansion was planned with Hyrax and Jack screw appliances respectively. Anterior cross bite and Class III malocclusion was corrected. Majority of these antero posterior discrepancies can be corrected with antero-posterior expansion, hence are of prime importance.
机译:前后位缺陷是青少年的主要问题之一,特别是在出现III类错牙合和前交叉咬合时。这些差异通常可以通过在生长期间上颌骨延长和扩张来纠正。一名16岁的男孩和12岁的女孩表现出面部中脸缺陷,前交叉咬合和III类错牙合。计划分别使用Hyrax和Jack螺丝钉器具进行后路扩张。前交叉咬合和III类错牙合畸形得到纠正。这些前后壁差异多数可以通过前后壁扩张来矫正,因此至关重要。

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