金合金嵌体与铸瓷嵌体修复磨牙牙缺损的临床应用研究-- 关键词]金合金嵌体；铸瓷嵌体；磨牙牙体缺损 [gap=1148]Key words:Au alloy inlays;ceramic inlays;molar defect
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Objective to study the change of masticatory efficiency in 7 ~ 9 year-olds with primary molar defect after treatment.
目的研究7 ~ 9岁乳磨牙缺损患儿治疗后咀嚼效能的变化。
Results The masticatory efficiency of the primary molar defect group after treatment was significantly higher than that of the group before treatment(P<0.001).
结果①乳磨牙缺损组治疗后咀嚼效能与治疗前差异有显著性（P<0.001），前者大于后者；
PURPOSE: To observe the clinical effect of treatment of primary molar teeth with extensive defect using prefabricated metal crowns (PMCs).
目的：观察金属成品冠修复乳磨牙大面积缺损的疗效。
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