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首页> 外文OA文献 >Analysis of clinical efficacy of interceptive treatment of Class II division 2 malocclusion in a pair of twins through the use of two modified removable appliances
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Analysis of clinical efficacy of interceptive treatment of Class II division 2 malocclusion in a pair of twins through the use of two modified removable appliances

机译：通过使用两个改良的可拆卸器具对一对双胞胎中II类2分类错（牙合）的拦截治疗的临床疗效分析

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The interceptive therapeutic approach of a functional type is indicated for the treatment of Class II Division 2 mandibular retrusion with deep bite, where improvement is required not only in occlusal relationships but also in skeletal and aesthetic parameters.udPurpose: The aim of this study is to assess, in two identical twins suffering from the same malocclusion, the effectiveness and clinical stability of functional interceptive Class II division 2 treatment during puberty by mandibular retro-positioning associated with deep bite, and to compare skeletal changes and dental and dental-alveolar changes induced by the application of two different modified removable appliances: Clark’s Twin block and Bergersen’s Occlus-o-guide.udResults: The results show that both devices allowed for circumvention of the pre-functional therapy phase aimed at correcting the upper labial segment, and for the conversion of the Class II division 1 incisor relationship, they were able to promote significant and obvious clinical effects.udConclusions: The study shows that Class II Division 2 functional type interceptive treatment of mandibular retrusion with deep bite conducted in the puberal phase through clinical use of modified Bergersen’s Occlus-o-guide® allowed for simultaneous resolution of the skeletal, dental-alveolar and dental problems in one step, while that using modified Clark’s Twin-block still requires a second phase of treatment necessary to resolve the alignment, levelling, inter-cuspidation of the arches, optimization of the dental overjet and overbite parameters and to the stabilization of the basal Class I.
机译：功能性类型的拦截性治疗方法适用于深咬伤的II类2分类2下颌后牙退缩，这种方法不仅需要改善咬合关系，而且还需要改善骨骼和美学参数。 ud目的：本研究的目的是在两个患有相同错牙合畸形的同卵双胞胎中，通过与深咬相关的下颌后定位，评估青春期功能性拦截II类2区治疗的有效性和临床稳定性，并比较骨骼变化，牙齿和牙槽变化 ud结果：结果表明，这两种设备均允许规避旨在矫正上唇部分的功能前治疗阶段，并且还采用了两种不同的可移动矫治器：克拉克的Twin block和Bergersen的Occlus-o-guide。为了使II级1级门牙关系发生转化，他们能够提升意义结论：该研究表明，在临床上使用改良的BergersenOcclus-o-guide®可以在青春期进行II类2类功能性拦截治疗深咬合下颌骨后退，从而可以同时解决骨骼，牙槽和牙齿问题只需一步即可完成，而使用改良的Clark's Twin-block仍需要第二阶段的治疗，以解决牙弓的对准，水平，尖牙尖牙，优化牙齿过喷射和咬入参数并稳定基础I类。

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