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Indian J Dent Res. 2019 May-Jun;30(3):375-380. doi: 10.4103/ijdr.IJDR_604_18.

Fluoride concentration of bottled water and public water in Lebanon.

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Department of Dental Public Health, School of Dentistry, Lebanese University, Beirut, Lebanon.


Background and Aims:

People in Lebanon turned to bottle water consumption because of its poor public water quality. In general, fluoride is known as dental caries preventive. A study in 1986 and two other national surveys in 1994 and 2004 showed that the concentration of fluoride in public Lebanese water was insignificant for the prevention of dental caries (less than 0.3 mg/L). The aim of the study was to measure the fluoride concentration in the highest selling and known commercial brands for bottled water in Lebanon, as well as to assess their effectiveness regarding prevention of dental caries.


Fluoride has a notable therapeutic effect but in small doses that fluoride can be found in drinking water. Analysis using an absorptiometry of 625nm and another technique using an Orion electrode of 9609 BN have shown the low content of fluoride in the Lebanese waters (less than 0.3 mg/l). Strategies have recently been evolved based on fluroide supplementation (if the results turn negative) to reduce the index of caries in LEBANON.


Adequate fluoride dosage; collection of samples; fluoride content in lebanese water; optimal concentration of fluoride

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