贵州医科大学学报

2016, v.41;No.192(09) 1079-1081

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3B自锁托槽对上颌牙弓的扩弓效果
Arch Expansion Effect of Maxillary Dental Arch Using 3B Self-ligating Brackets System

秦波;陆廷茂;徐卫华;
QIN Bo;LU Tingmao;XU Weihua;Department of Orthodontics,the Affiliated Stomatology Hospital of Guizhou Medical University;Department of Orthodontics,Guizhou Provincial People's Hospital;

摘要(Abstract):

目的:观察3B自锁托槽对上颌牙弓的扩弓效果。方法:安氏Ⅰ类错颌牙列拥挤患者40例,随机分为3B自锁托槽组和Damon自锁托槽组,分别采用相应的非拔牙矫治方案治疗,测量矫治前和牙列排齐整平后牙弓宽度共7项指标,比较两种方法的矫治效果。结果:两种矫治技术治疗后错颌患者上颌尖牙间宽度,前磨牙间宽度较排齐前明显增大(P<0.05),Damon自锁托槽组与3B自锁托槽组排齐整平后牙弓宽度差异无统计学意义(P>0.05)。结论:3B自锁托槽治疗错牙合能使牙弓宽度增加,主要表现在尖牙和前磨牙区,效果与Damon自锁托槽相当。
Objective: To observe and compare arch expansion effect of maxillary dental arch between using 3B self-ligating brackets system and using Damon self-ligating brackets system. Methods:Forty orthodontic patients were enrolled in the study and randomly divided into group 3B and group Damon,who were treated by corresponding procedure. 7 indicators of arch width were measured before correction and after alignment and leveling dentition process,and the treatment effect between the two methods were compared. Results: After two kinds of orthodontic treatment,the width of maxillary canine and width between anterior teeth in patients with malocclusion significantly increased( P <0. 05). There was no statistically significant difference in dental arch width between group 3B and group Damon after alignment and leveling dentition process( P > 0. 05). Conclusion: For the dental orthodontic patients,both 3B self-ligating brackets and Damon Self-ligating brackets system can wide the upper dental arch significantly in alignment and leveling stage,mainly in the canine and premolar area.

关键词(KeyWords): 3B自锁托槽;Damon自锁托槽;上颌;牙弓宽度
3B self-ligating brackets;Damon Self-ligating brackets;maxillary;dental arch width

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作者(Author): 秦波;陆廷茂;徐卫华;
QIN Bo;LU Tingmao;XU Weihua;Department of Orthodontics,the Affiliated Stomatology Hospital of Guizhou Medical University;Department of Orthodontics,Guizhou Provincial People's Hospital;

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