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Fluorosis can cause tooth discoloration or surface irregularities.
氟中毒会导致牙齿变色或表面缺陷。
youdao
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Objective To investigate the current status of endemic fluorosis in Yangyuan County.
目的掌握河北省阳原县地方性氟中毒流行现况。
youdao
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Objective To investigate the current status of endemic fluorosis in Yangyuan County.
目的掌握河北省阳原县地方性氟中毒流行现况。
youdao