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改良Twin-block矫治器结合直丝弓技术治疗恒牙早期安氏Ⅱ~2错[牙合]畸形的临床应用 被引量:4

Clinical treatment of Class Ⅱdivision 2 malocclusion in early permanent dentition patients by straight wire technology combined with improved Twin-block appliance
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摘要 目的:观察改良Twin-block矫治器结合直丝弓技术治疗恒牙早期安氏Ⅱ2错牙合畸形的临床效果。方法:选择13例恒牙早期安氏Ⅱ2错牙合畸形患者,首期在上颌5-5粘接直丝弓托槽,排齐舌倾的上前牙。然后应用改良Twinblock矫治器重建牙合关系。最后用直丝弓矫治技术进行全口牙位的精细调整。对治疗前后患者硬组织变化进行X线头影测量分析,并对测量结果进行统计学分析。结果:矫治后磨牙及尖牙均达到Ⅰ类关系;前牙覆牙合覆盖正常;下颌骨向前改善明显,下面高增加明显,软组织侧貌协调。结论:改良Twin-block矫治器结合直丝弓矫治技术治疗恒牙早期安氏Ⅱ2错牙合畸形疗效明显,可以有效改善上下颌的骨性和牙性关系。 Objective:To evaluate the effects of ClassⅡdivision 2 malocclusion in early permanent dentition patients by straight wire technology combined with improved Twin-block appliance. Method:13 early permanent dentition patients with Class Ⅱ division 2 malocclusion were treated.Firstly,straight wire appliances were bonbed on maxillary 5-5 for lining tongue leaning upper anterior teeth,then they were treated with improved Twin-block appliances.Finally,the full teeth were adjusted finely with straight wire technology. Cephalograms were taken before and after treatment to compare the changes before and after treatment. Result:The overjet and the relationship of the molars and cuspid teeth were changed significantly. The mandibular development was remarkablely improved and the profile became balanced. Conclusion:Straight wire technology and improved Twin-block appliance contribute to a harmonious relationship in early permanent dentition patients of classⅡdivision 2 malocclusion.
作者 王卫东 董苁蓉 韩维 WANG Wei-dong, DONG Cong-rong, HAN Wei (1.Huang- shi Center for Disease Control Prevention Hubei Huangshi 435000, China; 2.Huangshi Xiandai Stomatological Hospital, Hubei Huangshi 435000, China)
出处 《临床口腔医学杂志》 2015年第1期39-41,共3页 Journal of Clinical Stomatology
关键词 改良Twin-block矫治器 直丝弓技术 安氏Ⅱ2错牙合 Improved Twin-block appliance Straight wire technology ClassⅡdivision 2 malocclusion
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