Abstract
To assess the prevalence of dental erosion in a sample of 13- and 14-year-old Brazilian schoolchildren and to assess the relationship of dental erosion and socio-demographic characteristics. A convenience sample of 458 children (190 boys and 268 girls) from 14 schools in Três Corações, south east Brazil, was examined. Socio-demographic data were collected by self-completion questionnaires. Dental erosion was observed in 34.1% of subjects, involving enamel only and showing a symmetrical distribution. The palatal surfaces of the upper incisors were the most commonly affected surfaces. Erosion experience was higher in boys; pupils from Government funded schools; those resident in rural areas and those from the high economic class, but none of these were statistically significant. These data are the first to show that in a cohort of 13-14-year old Brazilian schoolchildren, approximately one third of those examined showed mild erosion, requiring clinical preventive counselling. No statistically significant association was observed between erosion, gender and socioeconomic factors.
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