Dr. Helen Mo with pediatric patient Dr. Helen Mo

Recent discussions by the federal administration about increased regulation of fluoride use —such as in public water—have left many parents wondering how best to protect their children’s oral health. A 2025 JAMA Health Forum study estimates that removing fluoride from water systems could lead to 25.4 million additional decayed teeth and $10 billion in extra dental care costs over the next five years. This potential change highlights the importance of revisiting oral health strategies parents can take to safeguard their children’s teeth.

I spoke with a pediatric dentist, Dr. Helen Mo , about the knowledge gaps and myths she addresses most often in clinic. From sensory desensitization to breastfeeding myths, here’s what every paren

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