دوره 4، شماره 1 - ( 12-1394 )                   جلد 4 شماره 1 صفحات 37-44 | برگشت به فهرست نسخه ها


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Yari A R, Nazari S, Mahvi A H, Majidi G, Matboo S A, Fazlzadeh M. Fluoride Concentration of Drinking-Water of Qom, Iran. Iran J Health Sci. 2016; 4 (1) :37-44
URL: http://jhs.mazums.ac.ir/article-1-369-fa.html
Fluoride Concentration of Drinking-Water of Qom, Iran. علوم بهداشتی ایران. 1394; 4 (1) :37-44

URL: http://jhs.mazums.ac.ir/article-1-369-fa.html


چکیده:   (2006 مشاهده)

Background and Purpose: Fluoride is a natural element essential for human nutrition due to its  benefits for dental enamel. It is well-documented that standard amounts of fluoride in drinkingwater can decrease the rate of dental caries. This study was conducted with the aim of measuring fluoride concentration of drinking-water supplies and urban distribution system in Qom, Iran.

Materials and Methods: Results were subsequently compared against national and international standards. All sources of drinking-water of rural and urban areas were examined. To measure fluoride, the standard SPADNS method and a DR/4000s spectrophotometer were used.

Results: Results showed that the mean of fluoride concentration in rural areas, mainly supplied with groundwater sources, was 0.41 mg/L, that of the urban distribution system 0.82 mg/L, that of Ali-Abad station 0.11 mg/L, and that of the private water desalination system 0.24 mg/L. Due to the hot climate of Qom, fluoride concentration means of all sources were lower than the permissible standards set by Iranian Standards and the WHO guidelines (except those of some of the groundwater sources and urban distribution systems). 

Conclusion: It seems that in most of the drinking-water sources the average fluoride concentration is not enough to prevent dental caries or strengthen dental enamel. It is concluded that Qom’s drinkingwater would require at least 0.4 mg/L to reach the minimum desirable standard. 

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