Prevalence and sociobehavioural determinants of early childhood caries among 5-year-old Portuguese children: a longitudinal study

To assess the prevalence of early childhood caries (ECC) and associated factors among a 5-year-old cohort. An observational longitudinal study was conducted with a sample of 142 preschoolers. A calibrated dentist performed intraoral examinations following International Caries Detection and Assessment System (ICDAS-II) criteria at baseline and after 6 months. A questionnaire on sociodemographic variables and oral health-related behaviours was...