What was aprimary finding from the Brantford-Sarnia-Stratford study of water fluoridation in Canada?
A) the establishment of the prevalence of fluorosis in Brantford,Ontario.
B) the presence of "Colorado brown stain" on the teeth of all Canadian children.
C) that filtering the fluoride out of the water supply improved glucose regulation in Canadian adults.
D) that artificially fluoridating the water supply significantly reduced the prevalence of dental caries in Canadian children.
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