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目的 系统评价正畸治疗过程中自锁托槽与传统托槽对青少年患者疼痛程度的影响.方法 通过计算机检索和手工检索PubMed、Embase数据库、Cochrane Library临床随机对照试验库、中国期刊全文数据库(CNKI)、中国生物医学文献数据库(CBM)和中文科技期刊数据库(VIP)中比较自锁托槽与传统托槽对青少年患者正畸疼痛程度影响的随机对照试验或半随机对照试验.依据方法学质量评价量表对纳入的文献进行质量评价.结果 最终纳入8项研究,共381例患者.Meta分析结果显示:自锁托槽与传统托槽相比,在正畸矫治过程中疼痛视觉模拟评分值[MD=-0.25,95％CI(-0.43,-0.07),P=0.005]的差异有统计学意义.结论 与传统直丝弓托槽相比较,自锁托槽减轻了青少年患者在矫治过程中的疼痛感,但在临床使用中还需综合考虑影响疼痛的多种因素,此外还需要进行高质量的临床研究以增加该结论的可靠性.“,”Objective To evaluate pain during treatment with self-ligating and conventional straight wire bracket systems in orthodontic treatment in adolescents.Methods Electronic search and manual search were performed in the PubMed,Embase,Cochrane Library,CBM,CNKI and VIP database.The randomized/semi-randomized controlled trials concerning pain during treatment with self-ligating versus conventional straight wire brackets in orthodontic treatment in adolescents were included for the study.The articles met the criteria were then furthermore screened and then evaluated by methodology table.Results 8 articles and 381 cases were included.The results of Meta-analysis showed significantly differences in the VAS score[MD=-0.25,95％CI(-0.43,-0.07),P=0.005] in the self-ligating bracket group than in the conventional ligating bracket.Conclusions It could be concluded that the self-ligating brackets were more effective than the traditional brackets at relieving the orthodontic pain in adolescents.But multiple factors that affect pain need to be considered during clinical application.Moreover,more qualified randomized controlled trials are required to provide better reliability.