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①目的比较3M Filtek Z350流动复合树脂与3M Concise窝沟封闭剂对年轻恒牙进行窝沟封闭后保留率与龋病发生率的影响,并进行临床评价。②方法选取符合标准的7～9岁儿童212例的848颗第一恒磨牙,采用左、右侧自身对照的方法。随机选择一侧采用3M Filtek Z350流动复合树脂作为实验组,另一侧采用3M Concise窝沟封闭剂作为对照。③结果经过2年的随访,3M Filtek Z350流动复合树脂的保留率高于对照组,龋病发生率低于对照组。④结论 3M Filtek Z350流动复合树脂不仅可以作为窝沟封闭剂使用,且操作方便,效果良好,优于传统的窝沟封闭剂。
Objective To compare the effect of 3M Filtek Z350 mobile composite resin and 3M Concise pit and fissure sealant on the retention rate and caries incidence of young permanent teeth after pit and fissure occlusion, and to evaluate the clinical effect. Methods The 848 first permanent molars of 212 children aged 7-9 years were selected according to the standard. The left and right self-control methods were used. A random selection of 3M Filtek Z350 mobile composite resin as the experimental group, the other side of the use of 3M Concise pit fissure sealant as a control. Results After 2 years of follow-up, the retention rate of 3M Filtek Z350 mobile composite resin was higher than that of the control group, and the caries incidence was lower than that of the control group. ④ Conclusion 3M Filtek Z350 mobile composite resin can not only be used as a pit and fissure sealant, and easy to operate, the effect is good, superior to the traditional pit and fissure sealant.