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。
Objective To investigate the significance of early treatment of mixed dentition and palatoglossal malposition of lateral incisors.
目的：探讨早期治疗混合牙列侧切腭舌向错位的临床意义。
Objective: To study the difference of upper airway form and hyoid position of the children with different vertical facial types in mixed dentition.
目的：比较替牙期不同垂直骨面型儿童上气道形态和舌骨位置的差异，为临床诊疗和颅面部生长发育的研究提供一定的参考依据。
Conclusion: in mixed dentition, there had statistical differences in upper airway form and hyoid position in children with different vertical facial types.
结论：替牙期不同垂直骨面型儿童上气道形态，舌骨位置存在差异。
Abstract: Objective to evaluate anchorage methods applied to the patients for the treatment of maxillary impacted central incisors in the early mixed dentition.
摘要目的评价替牙早期上颌阻生中切牙矫治过程中的支抗控制及矫治要点。
Objective:To evaluate the maxillary expansion effects of posterior crossbite patients treated with elastic wrapping bite guard and screw expansion mechanic in the mixed dentition.
目的：探讨弹性包绕式垫加螺旋扩弓器矫治替牙期后牙反的适用性及治疗前后的牙颌结构变化。
Objective:To evaluate the maxillary expansion effects of posterior crossbite patients treated with elastic wrapping bite guard and screw expansion mechanic in the mixed dentition.
目的：探讨弹性包绕式垫加螺旋扩弓器矫治替牙期后牙反的适用性及治疗前后的牙颌结构变化。
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