DENTAL HEALTH by Gerard F. Judd, Ph.D Removal of flouride from drinking water, pastes or gels saves the enzyme adenosine diphosphatase so it can deliver phosphate to calcium at the tooth surface, resulting in a beautiful, semi-flexible enamel.  If fluoridation were effective in preventing cavities, Native Americans would have the least cavities. They have had forced fluoridation for approximately 62 years. Fluoride in water at 1 part per million INCREASED tooth cavities in four large reliable studies (7%, 22%, 45% and 10%, averaging 21%). The reason far these increases has to do with the fact that adenosine diphosphatase is destroyed by fluoride and CALCIUM FLUORIDE which slips into the enamel, is alien to the tooth composite and makes the enamel weak, brittle and discolored.  Fluoride is the smallest negative particle on the face of the earth. Since the fluoride particles are so small and so intensely negative, they connect with the hydrogen bonds holding the enzyme coils in place and ruin every enzyme molecule at very low concentration, around 1-3 ppm. These enzymes are often 3,000 or more times the small size of the fluoride. The effect is ruinous.
To avoid fluoride is to prevent the destruction of 83 enzymes listed with references in Good Teeth, Birth to Death, by Gerard F. Judd, Ph.D.. Fluoride is a severe biological poison. Being intensely negative, it unlatches positive hydrogen bonds in enzymes AND proteins. It is fortunate we have learned fluoride is a nerve poison. Fluoride causes cavities. There is not the slightest doubt