Scanning electron microscope showed that a large number of deposits were found on the dental enamel surface of the experimental group, filled in the small local concave of enamel surface.
扫描电镜观察实验组釉质表面有大量的矿物质沉积，填补釉质表面局限性的小凹陷；
Scanning electron microscope showed that a large number of deposits were found on the dental enamel surface of the experimental group, filled in the small local concave of enamel surface.
扫描电镜观察实验组釉质表面有大量的矿物质沉积，填补釉质表面局限性的小凹陷；
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