Black stains and dental caries in Brazilian schoolchildren: a cross-sectional study
AUTOR(ES)
LÓPEZ MARTÍNEZ, Tania Mercedes, GOETTEMS, Marília Leão, AZEVEDO, Marina Sousa, CORREA, Marcos Britto, DEMARCO, Flávio Fernando, ROMANO, Ana Regina
FONTE
Braz. oral res.
DATA DE PUBLICAÇÃO
10/10/2016
RESUMO
Abstract The aim of this study was to assess the prevalence of black stains (BS) and factors associated with their occurrence and to investigate the association of BS with caries experience after adjusting for other risk indicators. A school-based, cross-sectional study using multistage sampling of children aged 10–12 years from 20 private and public schools in Pelotas/Southern Brazil was conducted (n = 706). Children were evaluated for BS and dental caries (DMFT/dmft index) and socioeconomic information was collected by questionnaire. Univariate and multivariate Poisson regressions were used to assess variables associated with the prevalence of BS and with caries experience. The prevalence of BS was 5.81%. The mean DMFT/dmft was 1.54 (±1.91), with a maximum value of 10. Among the children with BS, mean dmft/DMFT was 1.22 (SD 1.68), with a maximum value of 6. After adjustments for demographics and socioeconomic variables, dental plaque and tooth brushing habits, prevalence of BS was associated with lower caries experience (RR 0.67; 95%CI 0.49–0.92). In conclusion, the presence of BS showed an association with lower dental caries experience in the evaluated population. Future studies should investigate the mechanisms behind this association.
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