Association between urine fluoride and dental fluorosis as a toxicity factor in a rural community in the state of San Luis Potosi

TheScientificWorldJournal
Lizet Jarquín-YañezRonell Bologna-Molina

Abstract

The aim of this study is to investigate urine fluoride concentration as a toxicity factor in a rural community in the state of San Luis Potosi, Mexico. A sample of 111 children exposed to high concentrations of fluoride in drinking water (4.13 mg/L) was evaluated. Fluoride exposure was determined by measuring urine fluoride concentration using the potentiometric method with an ion selective electrode. The diagnosis of dental fluorosis was performed by clinical examination, and the severity of damage was determined using Dean's index and the Thylstrup-Fejerskov (TF) index. The range of exposure in the study population, evaluated through the fluoride content in urine, was 1.1 to 5.9 mg/L, with a mean of 3.14±1.09 mg/L. Dental fluorosis was present in all subjects, of which 95% had severe cases. Higher urine fluoride levels and greater degrees of severity occurred in older children. The results show that dental fluorosis was determined by the presence of fluoride exposure finding a high positive correlation between the severity of fluorosis and urine fluoride concentration and the years of exposure suggested a cumulative effect.

References

Nov 1, 1978·Community Dentistry and Oral Epidemiology·A Thylstrup, O Fejerskov
Dec 12, 2007·Cadernos de saúde pública·Diana Rocha-AmadorJaqueline Calderón

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Citations

Sep 14, 2017·Salud pública de México·Fátima Del Carmen Aguilar-DíazJavier de la Fuente-Hernández
Jul 4, 2020·Acta Odontologica Scandinavica·Zerrin AbbasogluErika C Küchler
Jul 23, 2016·Environmental Monitoring and Assessment·Mónica I Martínez-AcuñaJosé J Mejía-Saavedra
Jan 28, 2021·International Journal of Environmental Health Research·Lizet Jarquin-YañezJose de Jesus Mejia-Saavedra

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Methods Mentioned

BETA
urine collection

Software Mentioned

COEPRIS
EXCEL
SPSS

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