To evaluate the therapeutic effect and the feasibility of the ART (atraumatic restorative treatment) restoration in the cavities of primary teeth.
评价非创伤性充填技术(ART)用于治疗乳牙龋病的临床效果和可行性。
The atraumatic restorative treatment (ART) is a procedure based on re-moving carious tooth tissues using hand instruments alone and restoring the cavity with glass-ionomer.
非创伤性修复治疗(简称art)是一种只用手动器械去除龋坏组织，然后用玻璃离子充填龋洞的操作技术。
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。
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