Go to clusty (or google if you must) and search for fluoride+poison+cancer+disease (or something similar). There are literally hundreds of pages reporting on the dangers of fluoride.
Natural silica restores tooth enamel with no need for poisoning. There is a solution for every complaint or ailment, however significant...all you have to do is open your eyes and accept it.
Dr. Christopher's Tooth and Gum Powder has been shown to repair broken and damaged teeth, as well as growing new teeth altogether. Deficiency in any region of the body can be remedied by providing it with the minerals it needs to restore itself to its perfect state. Silica and calcium repair tooth complaints and are non-toxic. Fluoride will numb your mind and rot your bones. It is your choice of course.