Methods: Mycostatin was sealed in root canals in 76 cases with therapy-resistant apical periodontitis, and post-operation response was evaluated.
方法：76例根尖周病久治不愈的患者，采用制霉菌素根管内用药，观察封药后的反应。
The measuring methods and the measuring results of compressive strength, shearing strength and tensile strength of vacuum sealed mould are introduced in detail in the paper.
详细地介绍了真空密封铸型抗压强度、抗剪强度、拉伸强度等的测试方法及用这种方法测得的结果。
The hydroxyl groups of epoxy acrylate (AAEP) in VER were sealed with different methods in order to obtain modified VER.
采用不同的方法对乙烯基酯树脂(ver)中环氧丙烯酸酯(AAEP)进行羟基封闭，制备改性ver。
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