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首页> 外文期刊>American Journal of Orthodontics and Dentofacial Orthopedics >Occlusal stability after extraction orthodontic therapy in adult and adolescent patients.
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Occlusal stability after extraction orthodontic therapy in adult and adolescent patients.

机译:成人和青少年患者拔牙正畸治疗后的眼球稳定性。

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摘要

In this study we compared the posttreatment stability of occlusion in adults and adolescents treated for crowding or maxillary protrusion with four-premolar extractions and edgewise mechanics at an average of more than 4 years out of treatment. The adolescent sample showed a significantly greater posttreatment increase in mandibular anterior crowding than the adult sample. Posttreatment overjet and overbite remained more stable in the adolescents. We noted a correlation between in-treatment expansion and posttreatment narrowing of mandibular intercanine width in the adults. Differences in postorthodontic occlusal changes were noted between the adult and adolescent samples.
机译:在这项研究中,我们比较了在治疗前平均超过4年的成人和青少年因拥挤或上颌前突而进行的四次前磨牙拔除和边缘力学治疗后的稳定性。与成人样本相比,青春期样本显示下颌前部拥挤的治疗后增加明显更多。在青少年中,治疗后的喷射和咬合保持更稳定。我们注意到成人的治疗中扩张与治疗后下颌间犬齿宽度变窄之间的相关性。成人和青少年样本之间的正畸后咬合变化存在差异。

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