Investigation on the concentration of fluor in natural water in North provincines of Vietnam

ABSTRACT

The project was carried out to examine the fluoride concentration of the natural water from northern provinces. The result of research will be applied on the Oro-dental Health care of children and community. 179 samples of water from 10 northern provinces were tested. The result of research showed that in almost of sources of water (97.8%) there is not enough fluoride. So the use of fluoride to prevent dental carries for children and community is necessary and urgent.