英语语法分析

Results: Control group: the dentinal tubules lined up in disorder and irregularity.

结果：对照组：感染根管牙本质小管形态不规则，排列紊乱。

It was testified by sem that the dentinal tubule was sealed by semiconductor laser irradiation.

扫描电镜显示，用半导体激光仪照射后，牙本质小管口被封闭。

There were significant differences ( P< 0.05) in the relative area of the dentinal tubule orifices between two groups.

牙本质小管口的相对面积各组之间的差异均有显著性（P<0.05）。