恒牙晚期单侧完全性唇腭裂患者正畸治疗临床疗效研究

目的　通过测量恒牙晚期单侧完全性唇腭裂（UCLP）患者术后牙牙合、软硬组织的相关数据，观察正畸治疗对患者面型、牙弓及咬合关系的临床疗效。方法　选择10例UCLP恒牙晚期（15～17岁）术后患者，采用上颌慢速扩弓联合固定矫治，对治疗前、扩弓保持半年后X线头颅侧位片及扩弓治疗前、扩弓结束后、保持半年后牙牙合模型相关数据进行测量。采用配对t检验和配伍组设计资料的方差分析的统计方法，2组之间的两两比较用最小显著差(LSD)检验。结果　UCLP患者在正畸治疗后，X线头颅侧位片在软硬组织部分测量数据上有显著性变化(P<0.01)，牙弓宽度在尖牙和前磨牙区有明显增加（P<0.01），前磨牙区宽度的增加能稳定保持（P<0.05）。结论　 恒牙晚期UCLP术后患者经正畸治疗，骨骼、面部软硬组织及咬合关系均有较理想的治疗效果。

Research on orthodontic treatment for complete unilateral cleft lip and palate patients in late permanent dentition

Objective By measuring the post-surgery characteristics of complete unilateral cleft lip and palate（UCLP） patients′ teeth,occlusion,soft and hard tissues in late permanent dentition,the purpose of this study was to investigate the clinical effects of orthodontic treatments for complete UCLP patients on face types,maxillary dental arch and occlusion relations and to provide reliable theoretic basis for treating these kinds of patients.Methods Ten post-surgery complete UCLP patients who had cleft lip and palate in late permanent dentition（From 15 to 17 years old） were selected in this research.Every patient was treated with maxillary slow arch expansion and fixed appliance.The related data about X-ray lateral skull films before therapy and after six months′ maxillary expansion,as well as teeth models before expansion,after expansion and after six months′ were measured.The Statistical Methods were paired t-test for dependent samples and two-way ANOVA,LSD-test were used for the mutual comparison between two groups.ResultsAfter orthodontic treatments,some measured data of soft and hard tissues in complete UCLP patients′ lateral skull films had relatively significant changes（P0.01）.Arch width increased significantly in canine area and premolar area（P0.01）.The increase in premolar area could be maintained steadily（P0.05）.ConclusionsAfter orthodontic treatments,bone,soft and hard tissues and occlusion relations of complete UCLP patients in late permanent dentition who had get cleft lip and palate had relatively ideal effects.