Dentists that push Fluoridation is like a mechanic using Stop Leak in your radiator. Pretty soon the radiator clogs and your engine is trashed.  People from KY, TN and GA will admit that toothless is a way of life for a lot of people. Main causes? Mountain Dew and poor hygiene. 
Fluoridation of the water causes Fluorosis in young children. The University of Columbia School of Dentistry, and numerous others, recommend children under 2 are not given Fluoride. 
I just love the way they say that if you get Fluorosis your teeth can be whitened or you can get veneers. Fine! All Dentists who push for Fluoridation should supply free whitening and Veneers.  
Just as a matter of interest, the decay rates in both Calgary w/o fluoride and Edmonton w/fluoride increased in the latest study. Calgary has traditionally been higher than Edmonton even when both added fluoride. Telling half the story is not ethical. 
http://www.calgary.ca/citycouncil/ward-7/Pages/News/Fluoride-and-Tooth-Decay-Study.aspx