Abstract
Aim:The aim of the present study was to determine whether hair could be used as biomarker of fluoride exposure.Materials and Methods:The study was carried out on 30 people living in an endemically fluoridated area and a low fluoridated area. Samples of hair from the occipital were taken and subjected to fluoride analysis by a fluoride ion electrode.Results:Lower fluoride levels in water supplies correlated with lower levels of fluoride in hair and more over higher fluoride levels in water correlated with higher levels of fluoride in hair. A direct relationship was evident between fluoride levels in water supplies and concentration of fluoride in hair (P < 0.01).Conclusions:The results of the present study indicate hair can be used as an indicator of fluoride exposure.
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