Abstract
The objective of this study is to analyze the factors associated with the occurrence of caries in the permanent teeth (PT) and in the permanent first molar (PFM) 5years after their eruption. Children born in 2005 and enrolled in a community dental program were included. The inclusion criteria were: age 10years in 2015; the availability of clinical dental history (CDH) data from before eruption of the PT and a follow-up period of 5years after eruption of the PT. A total of 206 children were enrolled. Risk factors evaluated were: caries experience in the mother, educational level of the mother, frequent drug use, systemic diseases, eating habits, brushing frequency, presence of molar incisor hypomineralization (MIH) in PT, and caries in deciduous teeth (DT). Associations between explanatory factors and the DMF-T (decayed, missing, filled teeth in PT) and DMFT-M (DMF in PFM) indexes, independently considering cavitated or cavitated and non-cavitated caries as outcomes, were evaluated by poisson regression with robust variance analysis. In the multivariate analysis, a cariogenic diet, especially soft drinks, was associated to high DMF-T and DMFT-M scores when both cavitated and non-cavitated caries were considered. A brushing frequency <1 a day was significantly associated to high DMF-T scores. The presence of df-t (decayed and filled temporary teeth) score >0 and MIH conditioned high DMF-T or DMFT-M values, considering cavitated or cavitated and non-cavitated caries. The intake of sweets and soft drinks, brushing frequency, caries in DT, and MIH in PT were the best predictors of caries in PT. Control of risk factors in early childhood is important for preventing caries in PT.
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