Auad Sheyla M, Waterhouse Paula J, Nunn June H, Steen Nick, Moynihan Paula J
The School of Dental Sciences, Newcastle upon Tyne, UK.
Int Dent J. 2007 Jun;57(3):161-7. doi: 10.1111/j.1875-595x.2007.tb00119.x.
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.
评估13和14岁巴西学童样本中牙齿侵蚀的患病率，并评估牙齿侵蚀与社会人口学特征之间的关系。
对来自巴西东南部特雷斯科拉索斯14所学校的458名儿童（190名男孩和268名女孩）进行便利抽样检查。通过自我填写问卷收集社会人口学数据。
34.1%的受试者观察到牙齿侵蚀，仅累及牙釉质且呈对称分布。上颌切牙的腭面是最常受影响的表面。男孩、政府资助学校的学生、农村地区居民以及高经济阶层的学生牙齿侵蚀发生率较高，但这些均无统计学意义。
这些数据首次表明，在一组13 - 14岁的巴西学童中，约三分之一的受检者有轻度侵蚀，需要临床预防性咨询。在侵蚀、性别和社会经济因素之间未观察到统计学上的显著关联。
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