ObjectiveTo conclude the treatment effect of segmented arch or"2×4"appliance of childrens'malocclusion in mixed dentition.
目的：总结节段弓、“2×4”矫治器在替牙期牙牙合畸形治疗中的运用体会，探讨替牙期简易而适用的治疗方法。
参考来源 - 节段弓、“2×4”矫治器治疗替牙期牙错牙合的应用体会—《中国美容医学》—2008年第6期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
An impacted maxillary canine is a frequently encountered clinical problem in the mixed dentition.
摘要上颚阻生犬齿是混合齿列期常遇见的问题。
Objective To find the dentoskeletal characteristics of pseudo Class III malocclusion in mixed dentition.
目的研究替牙期假性安氏III类错的牙颌特征，为早期诊断提供依据。
PURPOSE: to study the effect of maxillary and mandibular lip bumper on tooth and dental arch in late mixed dentition.
目的：研究上下颌唇挡同时应用对替牙晚期儿童牙牙合的影响。
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