…Group I children, who were born after water fluoridation started in San Felipe,
presented a statistically significant 20.44 increase in the odds of CMI fluorosis
compared with children who were older than 24 months (Group III)
when drinking water fluoridation was implemented.


This study was undertaken to identify the source(s) of excess
fluorides associated with dental fluorosis on early
forming enamel surfaces in a child population
born and reared in 
the optimally

fluoridated city of  San Felipe, 
636 metres above sea level.


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Copihue, The Floral Emblem of Chile