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。
Objective To find the dentoskeletal characteristics of pseudo Class III malocclusion in mixed dentition.
目的比较安氏II I类错伴下颌偏斜患者髁突的位置与安氏I类患者髁突位置的差异。
Objective To investigate if condylar position in children with Class III malocclusion and mandible deviation was different from that found in children with Class I malocclusion.
目的：了解拔牙与非拔牙矫治在治疗安氏II类错时牙槽嵴高度的变化情况。
Objective: Research the change in alveolar bone crest height among 2-phase treatment, pendulum and extraction treatment in Class II malocclusion.
方法：五十二个来自北印度有安氏二类一分类错合畸形的女孩，而同样的生体生长成熟状态的病人也被选出来进行研究。
METHODS: Fifty-five girls from North India with Class II Division 1 malocclusion and the same physical growth maturation status were selected for the study.
方法36例临床诊断为功能性安氏III类错牙合的患者，其中男2 0例，女16例。
Methods 36 patients with Angle Class III malocclusion, 20 boys, 16 girls, were treated with modified Andresen Appliance.
结论安氏三类错合伴开合患者，行双颌正颌手术后，其开合距离与颏部形态变化有相关性。
ConclusionMesioclusion with open bite patients after orthognathic surgery, their open-bite distance has correlation with chin form.
结论安氏三类错合伴开合患者，行双颌正颌手术后，其开合距离与颏部形态变化有相关性。
ConclusionMesioclusion with open bite patients after orthognathic surgery, their open-bite distance has correlation with chin form.
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