Randomly, the caries of one molar was filled by FX with method of atraumatic restorative treatment (ART), the other one with amalgam.
采用自身对照和随机方法 ，其中一牙用FX做无创性修复治疗 ，另一牙用银汞合金修复。
Conclusion The 3mp60 might have better curative effect than silver amalgam in treatment of molar food impaction.
结论3mp60治疗磨牙食物嵌塞疗效明显优于传统银汞合金。
Conclusion The cast post core and crown, and glass fiber post and resin core and crown treatment is better than refined screw pile and silver amalgam or resin core nucleus.
结论铸造桩核全冠和玻璃纤维桩树脂核全冠治疗效果优于成品螺纹钉桩加银汞合金核或树脂核全冠。
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