Methods Superficial occlusal dentin of 9 molars freshly extracted was finished with 600-grit SiC paper under running water.
方法选取9颗无龋坏人磨牙，用600目碳化硅砂纸在流水冲洗下预备出统一的牙本质黏结面玷污层。
Methods Superficial occlusal dentin of 9 molars freshly extracted was finished with 600-grit SiC paper under running water.
方法选取9颗无龋坏人磨牙，用600目碳化硅砂纸在流水冲洗下预备出统一的牙本质黏结面玷污层。
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