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三种方法修复邻 面龋的疗效对比

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摘要 目的:比较银汞合金、光固化复合树脂和牙本质粘结剂银汞合金修复后牙邻面龋的疗效。方法:对120例270颗后牙邻面龋患者,随机分成A、B、C三组,A组用银汞合金修复,B组用光固化复合树脂修复,C组用牙本质粘结剂银汞合金修复,2年后经临床检查和判读牙片比较继发龋的发生情况。结果:A组90颗后牙中17颗发生继发龋,失败率10.0%;B组90颗后牙中26颗发生继发龋,失败率12.2%;C组90颗后牙中2颗发生继发龋,失败率2.2%。结论:光固化复合树脂和银汞合金是后牙邻面龋修复的常用材料,但其失败率高于牙质粘结剂银汞合金修复,应予以关注。
出处 《青海医药杂志》 2011年第2期26-27,共2页 Qinghai Medical Journal
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