Abstract
Fluoride plays an essential role in preventing cavities when consumed in small amounts. However, continuous excessive fluoride ingestion could cause significant adverse health effects in humans, ranging from mild dental fluorosis to debilitating skeletal fluorosis, depending on the level and period of exposure to fluorides. In rural areas, the source of fluoride in well water could be due to natural, industrial, or anthropogenic contamination. The purpose of our work was to assess the degree of contamination of groundwater by fluorides from different regions in Morocco located in agricultural campaigns, where the only source of consumable water is well water. A total of 40 well water samples were collected from 7 rural Moroccan areas. Fluoride level analyses were performed using a fluoride-specific ion electrode (HI-4110). The fluoride levels found in the various well waters of the different regions range from 0.2 mg/l to 6.58 mg/l. Five wells have levels that exceed the recommended adult standards, while 28 wells have levels above the recommended standards for children. These results help warn the public about the risk of developing dental fluorosis and encourage them to change the sources of water consumption from the well waters with high fluoride content.
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