Water fluoridation, which is the addition of fluoride to drinking water in approximately 1 part per million, has the benefit that is automatically applied to tooth surfaces whenever you drink. Toothpaste, for comparison, has a usual content of 1000 parts per million.
- for children aged 2 to 12 is incorporated into the enamel of the developing permanent teeth.
- for adults it slows the decay rate around existing crowns and fillings , increasing their service life.
The safety and efficacy of fluoridated drinking water has been proved beyond doubt. We consider it one of the greatest public health measures of the 20th century.