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Year : 2020  |  Volume : 23  |  Issue : 1  |  Page : 65-70

Fluoride content of commercial drinking water and carbonated soft drinks available in Southeastern Nigeria: dental and public health implications

Department of Preventive Dentistry, College of Medicine, University of Nigeria, Enugu Campus, Enugu, Nigeria

Correspondence Address:
Dr. E A Akaji
Department of Preventive Dentistry, College of Medicine, University of Nigeria, Enugu Campus, Enugu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/njcp.njcp_248_19

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Objective and Aim: The importance of fluoride in preventing dental diseases cannot be overemphasized. The aim of this study was to determine the fluoride content of commercial bottled water, sachet water and carbonated soft drinks available in Southeastern-Nigeria at the same time, eliciting their dental and public health implications. Method: Determination of fluoride level in water and carbonated drinks was carried out using Colorimetric-SPADNS (Trisodium 2-(4-sulfophenylazo)-1, 8-dihydroxynaphthalene-3, 6-disulfonate) method. This is a simple and rapid technique with high accuracy. 10 brands of bottled water, 10 brands of carbonated soft drinks and 20 brands of sachet water were studied. The experiment for each brand was carried out in duplicates and mean fluoride concentrations generated. Data analysis was done using SPSS version 17. Results: Fluoride contents in mg/L of bottled water brands ranged from 0.0173 ± 0.0019 mg/L to 0.1607 ± 0.0630 mg/L [mean: 0.0442 ± 0.0184 mg/L] and that of sachet water brands was from 0.0131 ± 0.0019 mg/L to 0.1754 ± 0.1344 mg/L. Mean fluoride content of carbonated soft drinks was 0.0228 ± 0.0064 mg/L with one of the brands having as low as 0.0066 ± 0.0028 mg/L fluoride. Conclusion: None of the drinks investigated contained level of fluoride up to standard admissible values suggesting sub-optimal intake. As the suitability of advice on fluoride use in preventing dental abnormalities depends on the individual's total fluoride intake from drinks and other sources, a further study is warranted to relate this total with the baseline decayed missing and filled teeth of the population.

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