最終更新日:2025/11/23

The dentist explained that the white streaks on his child's teeth were caused by fluoridosis due to excessive fluoride exposure during tooth development.

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The dentist explained that the white streaks on his child's teeth were caused by fluoridosis due to excessive fluoride exposure during tooth development.

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元となった例文

歯科医は、子供の歯に見られる白い筋が歯の発育期における過剰なフッ化物暴露によるフッ素症が原因であると説明した。

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