【摘要】 【目的】通过采用两种不同粘接技术对儿童前牙冠折断端再接的疗效比较,寻求达到最大限度保护牙髓、恢复外伤前牙牙冠形状和功能的行之有效的方法。【方法】本文用美国3M公司生产的流动复合树脂,采用两种方法,一种是直接用流动树脂进行断端再接,另一种是在进行断端再接后,为了增加固位及美观在唇舌侧用复合树脂材料加固。【结果】两组间两年成功率分别为75.0%和93.5%,后一种方法的成功率明显高于前者,差异有显著性(P<0.05)【结论】使用这两种新方法对上前牙牙冠折断的再粘接取得了明显的临床效果。但第二种方法疗效更为明显,值得临床推广应用。更多还原

【Abstract】 【Objective】 In order to resolve the common clinic question about combining the broken part of crown with the rest of the tooth after crown fracture of anterior tooth in children to protect the pulp and restorate the shape and function of traumatic anterior crowns. 【Methods】 To use flowable restoration composite made in 3M ESPE.Two different methods was adopted.one is to adhere two parts of the broken tooth directly with flowable composite.Another is to adhere two parts of the broken tooth at first,then to combine with light-curing resin restoration in liable and lingual side. 【Results】 The rates of success were 75.0%,93.5% respectively for two years.It was significantly higher in the second method than the first one.The difference was significant between two groups 【Conclusion】 The marked clinic effect is required for adhering fractured anterior tooth crown in this new methods,but the second method was more effect and was worth of usage in the clinical practice.更多还原