The fluorine content of 10 major sources of water supply from the city of Manaus was determined. The method used in this investigation consisted of the Willard-Winter technique, with modification. The values obtained were very low, showing that the water of the city of Manaus does not offer adequate protection against dental caries..
NOTAS E COMUNICAÇÕES • Acta Amaz. 18
(1-2)
• 1988 • https://doi.org/10.1590/1809-43921988182370 copy