Salud Pública de México (Sep 1998)
Bebidas embotelladas como fuentes adicionales de exposición a flúor Bottled drinks as additional source of fluoride exposition
Abstract
Objetivo. Evaluar y notificar la concentración de fluoruro en bebidas embotelladas que se consumen en la ciudad de San Luis Potosí, S.L.P., México y su implicación como factor de riesgo a fluorosis dental. Material y métodos. Se estudió el contenido de algunos productos de las dos compañías refresqueras más importantes de México y de otras dos locales. Las muestras se recolectaron de 10 lotes diferentes en el caso de los refrescos y de cinco lotes en el de los jugos, con tres muestras por lote, durante tres meses. La determinación de concentración de fluoruro se realizó mediante el método del electrodo de ión selectivo. Resultados. La concentración de flúor de muestras de diferentes plantas de compañías nacionales presentaron diferencias estadísticas significativas entre grupos (pObjective. To evaluate and to report the concentration of fluoride in soft drinks and juices consumed in San Luis Potosí, S.L.P., Mexico, and its implications as a risk factor for developing dental fluorosis. Material and methods. The contents of some products from 2 main national companies and 2 other local companies were studied. The samples were collected from 10 different batches in the case of the soft drinks, and from 5 batches in the case of the juices, with 3 samples per batch, during 3 months. The ión selective electrode method was used to determine the concentration of fluoride. Results. Soft drinks from 2 main national companies showed high fluoride concentrations that were statistically significant between groups (p< 0.05). Fluoride levels of products from local and national companies also showed differences that were statistically significant between groups (p< 0.05). All natural juices tested showed high fluoride concentrations. Conclusions. Most soft drinks and juices consumed in SLP had high fluoride levels above Mexican regulations (0.7 ppm) and could be a substantial risk factor for developing dental fluorosis.
