The Health Services in Mexico’s Zacatecas state are carrying out an anti-fluorosis campaign after it was found that approximately 80 percent of the population is affected by dental fluorosis.

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Below are two papers from Mexico.

The first, published in 2010, Fluorides and dental fluorosis in students from Tula de Allende Hidalgo, Mexico, states

… In Mexico, in the states of Coahuila and Durango, there is a chronic hydrofluorosis endemic. A “fluoride belt” has been reported in the states of Coahuila, Zacatecas, San Luis Potosi, Guanajuato and Queretaro (Ortega, 2009). Even though the State of Hidalgo is not located in this area, the geological characteristics in Tula of non mineral deposits such as sedimentary, hydrothermal, meta- morphic and volcanic rock determine the nature of the aquifer. Moreover, in the area, there are deposits of limestone, kaolin, clay, quartz and silicium, which are as- sociated with the findings of naturally present F- in water (Geological Monograph, 1992; Gaciri and Davies, 1993).

This was published in 2012, Assessment of the Exposure to Arsenic and Fluoride from Drinking Water inthe City of Guadalupe, Zacatecas, Mexico.

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