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    Comparison of fluoride contents in terms of teeth health and water quality in drinking water at the northern and southern regions of Meriç River Basin (Edirne/Turkey)
    (2020) Tokatlı, Cem; Güner, Şirin Onur
    This research was carried out to investigate and compare the fluoride accumulations and some physical and chemicalproperties (dissolved oxygen, oxygen saturation, pH, oxidation – reduction potential, electrical conductivity, totaldissolved solid, salinity, nitrate nitrogen) in the drinking water of Enez and Süloğlu Districts, which are located inthe northern and southern parts of the watershed of Meriç River. Water samples used for drinking were taken fromtap waters in a total of 22 residential areas in the Enez and Süloğlu Districts at the winter season of 2019. Fluoridelevels of water samples were determined by using a spectrophotometer and Principle Component Analysis (PCA)was applied to the results. The detected fluoride amounts and physical/chemical data were also evaluated in terms ofteeth health of humans. According to the results obtained, although the detected fluoride accumulations both in thenorthern and southern part of the basin are slightly below the optimum levels for teeth health, it has been found thatfluoride concentrations did not exceed the permitted values for drinking water. The minimum and maximum fluoridelevels recorded as min. 0.159 ppm (Süloğlu District) – max. 0.475 ppm (Küküler Village) in the northern part of thebasin and recorded as min. 0.068 ppm (Hasköy Village) – max. 0.603 ppm (Karaincirli Village) in the southern partof the basin. As a result of PCA, 2 factors named as “Agricultural Factor” and “Fluoride Factor” explained 79% of thetotal variance. It was also determined that contamination rates in terms of physicochemical variables of investigatedregions were found as South Region of the Basin > North Region of the Basin in general.