Fluorinated water minimally reduces cavities: https://www.cochrane.org/news/water-fluoridation-less-effective-now-past https://www.cochrane.org/news/water-fluor

Fluorinated water minimally reduces cavities: https://www.cochrane.org/news/water-fluoridation-less-effective-now-past https://www.cochrane.org/news/water-fluoridation-less-effect... It was probably much more effective 50 years ago when fluoride was not in everyone's toothpaste.