Prevalencia de fluorosis dental en escolares de nueve y diez años de la zona urbana y rural del municipio de Andes (Antioquia)
Keywords:Fluoride, Dental fluorosis, Dental caries, Children
The purpose of this study was to establish the prevalence of dental fluorosis in order to evaluate the observation made by health authorities, dentists and people, regarding the presence of white spots on the teeth of schoolchildren. A cross-sectional descriptive study was undertaken, in 472 randomly selected schoolchildren, ages 9 to 10 years and that were attending the schools of the rural and urban areas of the municipality of Andes. The examination was done by previously calibrated dentist. Dean's Dental Fluorosis Index was calculated for permanent dentition. Water and salt samples consumed in Andes were examined. Prevalence of dental fluorosis was 41% (CI 95% 36 < 41 < 45), being higher in the rural area. Very slight fluorosis degree of fluorosis was the most frequent (26.9%). The central incisors and the upper first molars were affected the most. Prevalence of dental fluorosis was higher in rural area (Chit: p value: 0,049); with a level of significance of 0,05. There were not statistically significant differences among those who lived their first years of life in Andes and those who lived somewhere else (Chi': 2,27, p value: 0,09). There were not statistically significant differences by sex (Chit: 3,32, p value: 0,68).
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