The authors declare that they have no competing interests.
KP designed the study, analyzed the data and wrote the paper. AM contributed to the acquisition of the data, read and approved the manuscript. All authors read and approved the final manuscript.
The purpose of this study was to investigate the prevalence and social risk factors of severe early childhood caries in three-year-old children in Northern Thailand, using a birth-cohort study
The data utilized in this study were from the prospective cohort study of Thai children (PCTC) from the 28 to 38 weeks gestational age until the children reached the age of 36 months (N = 597) in Mueang Nan district, Northern Thailand. Questionnaires were administered at different time points and dental examination was conducted at the age of 3 years of the child.
44.1 % of the 3 year old children had S-ECC. In multivariate logistic regression analysis, environmental factors (the use of rain or well water as drinking water, no schooling of mother of child, being male), and risk behaviour (sleeping with a bottle at 30 months) were associated with S-ECC. Further, in bivariate analysis, psychological distress in the mother, lack of spousal relationship support, suckle to sleep when going to bed, introduction of soft drinks at 12 months, having had more frequently sweet food, and less than daily tooth brushing before 30 months were associated with S-ECC.
A very high rate of S-ECC was observed, and oral health may be influenced by social factors.
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