Donald Raymond McNeil has written:

'The fight for fluoridation' -- subject(s): Fluoridation, Water

H. Knowlton Brown has written:

'Mass control of dental caries by fluoridation of a public water supply: dental effects of water fluoridation' -- subject(s): Dental caries in children, Dental surveys, Fluoridation, Statistics, Water

'A supplementary report relating to A survey of opinions on public dental programs--'

No, in fact, fluorides occur in many natural water sources.

"Fluoridation of water," said R Strange.

Easy answer, its not very effective, It is a toxic substance and can cause thyroid damage and other health problems.