Last Updated：2025/12/05
The dentist explained that the tooth discoloration was caused by undermineralization during enamel formation.
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The dentist explained that the tooth discoloration was caused by undermineralization during enamel formation.
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歯科医は、エナメルの形成時にミネラル化が不十分であったことが歯の変色の原因だと説明した。
