Caries results from colonization of teeth by certain streptococci, followed by their utilization of dietary sugars to produce a decay-inducing “sponge of acid” on tooth surfaces. This etiology suggests there are at least three ways to counter caries: eliminate the bacteria, change the diet, strengthen the tooth surface against the acid. Fluoridation accomplishes the latter and has the merit of not requiring individual action.
No takes yet. Share an insight, caveat, or question.
W.H. Bowen (1974) studied this question.
Synapse has enriched one closely related paper. Consider it for comparative context: