Geochemical characterization of fluoride in water, table salt, active sediment, rock and soil samples, and its possible relationship with the prevalence of enamel fluorosis in children in four municipalities of the department of Huila (Colombia)

Stefania Martignon, Mario Omar Opazo-Gutiérrez, Möritz Velásquez-Riaño, Iván Rodrigo Orjuela-Osorio, Viviana Avila, Esperanza Martinez Mier, María Clara González-Carrera, Jaime Alberto Ruiz-Carrizosa, Blanca Cecilia Silva-Hermida

Research output: Contribution to journalArticle

Abstract

Fluoride is an element that affects teeth and bone formation in animals and humans. Though the use of systemic fluoride is an evidence-based caries preventive measure, excessive ingestion can impair tooth development, mainly the mineralization of tooth enamel, leading to a condition known as enamel fluorosis. In this study, we investigated the geochemical characterization of fluoride in water, table salt, active sediment, rock and soil samples in four endemic enamel fluorosis sentinel municipalities of the department of Huila, Colombia (Pitalito, Altamira, El Agrado and Rivera), and its possible relationship with the prevalence of enamel fluorosis in children. The concentration of fluoride in drinking water, table salt, active sediment, rock, and soil was evaluated by means of an ion selective electrode and the geochemical analyses were performed using X-ray fluorescence. Geochemical analysis revealed fluoride concentrations under 15 mg/kg in active sediment, rock and soil samples, not indicative of a significant delivery to the watersheds studied. The concentration of fluoride in table salt was found to be under the inferior limit (less than 180 μg/g) established by the Colombian regulations. Likewise, exposure doses for fluoride water intake did not exceed the recommended total dose for all ages from 6 months. Although the evidence does not point out at rocks, soils, fluoride-bearing minerals, fluoridated salt and water, the hypothesis of these elements as responsible of the current prevalence of enamel fluorosis cannot be discarded since, aqueducts might have undergone significant changes overtime.

Original languageEnglish (US)
Article number264
JournalEnvironmental Monitoring and Assessment
Volume189
Issue number6
DOIs
StatePublished - Jun 1 2017

Fingerprint

enamel
Enamels
fluoride
water table
Sediments
Rocks
Salts
salt
Soils
rock
sediment
Water
Bearings (structural)
soil
Tooth enamel
tooth
Ion selective electrodes
Watersheds
Potable water
Bone

Keywords

  • Enamel fluorosis
  • Fluoride
  • Geochemistry
  • Salt
  • Water

ASJC Scopus subject areas

  • Environmental Science(all)
  • Pollution
  • Management, Monitoring, Policy and Law

Cite this

Geochemical characterization of fluoride in water, table salt, active sediment, rock and soil samples, and its possible relationship with the prevalence of enamel fluorosis in children in four municipalities of the department of Huila (Colombia). / Martignon, Stefania; Opazo-Gutiérrez, Mario Omar; Velásquez-Riaño, Möritz; Orjuela-Osorio, Iván Rodrigo; Avila, Viviana; Martinez Mier, Esperanza; González-Carrera, María Clara; Ruiz-Carrizosa, Jaime Alberto; Silva-Hermida, Blanca Cecilia.

In: Environmental Monitoring and Assessment, Vol. 189, No. 6, 264, 01.06.2017.

Research output: Contribution to journalArticle

Martignon, Stefania ; Opazo-Gutiérrez, Mario Omar ; Velásquez-Riaño, Möritz ; Orjuela-Osorio, Iván Rodrigo ; Avila, Viviana ; Martinez Mier, Esperanza ; González-Carrera, María Clara ; Ruiz-Carrizosa, Jaime Alberto ; Silva-Hermida, Blanca Cecilia. / Geochemical characterization of fluoride in water, table salt, active sediment, rock and soil samples, and its possible relationship with the prevalence of enamel fluorosis in children in four municipalities of the department of Huila (Colombia). In: Environmental Monitoring and Assessment. 2017 ; Vol. 189, No. 6.
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