The many studies on fluoride don't agree on the impact of adding — or removing — it from public drinking water.

Even though fluoride treatment is noninvasive, it can cause side effects ... you spit it out and rinse. In some cases, the ...

Toothpastes with the American Dental Association (ADA) Seal of Acceptance always have fluoride ... need twice-daily rinses for gum health or alcohol-free washes for dry mouth.