目的：分析采用纳米树脂美学修复前牙缺损牙的临床疗效。方法选取2010-01～2015-01于该院就诊的192例牙科疾病（前牙缺损牙）患者作为研究对象，按照所用材料的不同分为观察组和对照组，每组各96例。观察组采用纳米树脂美学修复前牙缺损牙，对照组采用常规复合树脂修复前牙缺损牙。对两组疗效进行观察比较。结果观察组发生充填物脱落1例，牙髓炎1例，成功率为97.92％，明显高于对照组的59.38％，差异具有统计学意义（ P＜0.01）。结论采用纳米树脂美学修复前牙缺损牙可使修复体表面恢复光滑、形态较为完整、密合程度高、美观牙齿，降低修复体着色、变色或折裂的可能性，抑制牙龈炎和继发龋的发生，疗效显著，值得临床推广使用。%Objective To analyze the clinical effect of nano resin in the treatment of dental defects in the anterior teeth.Methods One hundred and ninety-two patients with dental defects (anterior teeth) were collected from January 2010 to January 2015 and were randomly divided into the observation group and the control group , with 96 cases in each group .The dental defects of the observation group were repaired by the nano resin , and those of the control group were repaired by the conventional composite resin .The curative effects were compared between the two groups.Results In the observation group , the filler mater of the defected teeth fell out in 1 case and pulpitis oc-curred in another case .The successful rate of the observation group (97.92%) was significantly higher than that of the control group (59.38%) ( P<0.01 ) .Conclusion The nano resin aesthetic repair of dental defected teeth can restore the smooth surface of the defected teeth , form more complete , tighty-sealed and beautiful teeth , reduce the possibility of coloration , discoloration and fold crack of the repaired body , and reduce the occurrence of gingivitis and secondary caries .
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