Is there any evidence that prenatal fluoride supplementation prevents dental cavities in babies? I practiced pediatrics in Rochester, NY, for many years, where most of the public water supplies were fluoridated. During that time, I saw a few cases of “baby bottle caries.” Recently, I moved to Vermont and now practice in an area where most people get their water from wells or springs, and very few of the public water supplies are fluoridated. Although we are very careful to prescribe supplemental fluoride to all children older than 6 months of age in our practice, dental caries in infants and toddlers are very prevalent and often severe here.

You raise a very interesting question! Whether prenatal fluoride supplementation could decrease the risk of caries in offspring has been controversial for a number of years. Even the United States Food and Drug Administration (FDA) became concerned early on that manufacturers of...

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