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目的探讨利用流动性树脂衬洞修复后牙Ⅱ类洞缺损的临床效果。方法将132例后牙Ⅱ类洞缺损患者分为观察组和对照组,观察组采用流动性树脂衬洞加复合树脂充填技术、对照组直接采用复合树脂充填技术,在充填后6、12个月采用改良的USPHS方法进行疗效评价。结果修复后6个月,观察组与对照组患者对外形、边缘着色、龋损修复和边缘适合性的满意率比较,均无统计学差异,但观察组患者对充填后反应的满意率要高于对照组,差异有统计学意义(P<0.05);修复后12个月,观察组与对照组患者对外形、边缘着色和龋损修复的满意率比较,均无统计学差异,但观察组患者对边缘适合性和充填后反应的满意率均高于对照组,差异有统计学意义(P<0.05)。结论采用流动性树脂衬洞加复合树脂充填后牙Ⅱ类洞缺损,其短期临床效果甚佳。
Objective To investigate the clinical effect of fluid resin-lined cavities in repairing type-II defect of posterior teeth. Methods 132 cases of posterior teeth defect were divided into the observation group and the control group. The observation group was treated with fluid resin-lined and composite resin filling technique. The control group was treated with composite resin filling technique directly. After 6 and 12 months Efficacy evaluation using a modified USPHS method. Results Six months after the repair, there was no significant difference in satisfaction rate between the observation group and the control group in terms of appearance, marginal coloring, carious lesion repair and marginal suitability, but patients in the observation group had a higher satisfaction rate with post-filling response In the control group, the difference was statistically significant (P <0.05); 12 months after the repair, the observation group and the control group of patients with shape, margin coloring and caries repair satisfaction rates were no significant difference, but the observation group Satisfaction rate of marginal suitability and post-filling response in patients were higher than those in control group, with significant difference (P <0.05). Conclusions Fluid-filled resin-lined and composite resin-filled cavities of type II cavities are short-term and have good short-term clinical results.