透明冠结合流体树脂修复乳前牙大面积缺损的临床观察

来源 :中外医学研究 | 被引量 : 0次 | 上传用户:CHENYF20000
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目的:观察透明成形冠结合流体树脂应用于上颌乳切牙大面积缺损修复的临床效果。方法:选取就诊的54例3~5岁因龋坏或外伤导致上颌乳切牙大面积缺损的儿童,共124颗病损牙,随机分为两组。试验组61颗患牙,应用3M ESPE Strip crowns与流体树脂行前牙美容修复,对照组63颗患牙,应用复合树脂行直接充填修复。根据USPHS&Ryge标准在术后即刻、术后6个月及12个月分别评估修复体的保持、有无继发龋、边缘密合性。结果:修复6个月后,试验组与对照组在修复体保持状态和有无继发龋两个方面成功率相当,差异无统计学意义(P>0.05);在边缘密合性方面,试验组成功率高于对照组,差异有统计学意义(P<0.05)。修复12个月后,在修复体保持状态、有无继发龋及边缘密合性三个方面,试验组的成功率均优于对照组,差异有统计学意义(P<0.01)。结论:Strip crowns透明成形冠结合流体树脂修复乳前牙大面积缺损临床效果好,成功率高,是比较理想且值得推广的修复方式。
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