经短期人工龋后，用偏振光显微镜观察托槽周围釉质脱矿病损的分布并测量病损体部深度。

After the artificial caries attack, the enamel lesions of demineralization was observed by polarized light microscope, and the depth of lesion was measured.

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经短期人工龋后，用偏振光显微镜观察托槽周围釉质脱矿病损的分布并测量病损体部深度。

After the artificial caries attack, the enamel lesions of demineralization was observed by polarized light microscope, and the depth of lesion was measured.

youdao