Aim: To estimate the prevalence of early childhood caries and to study a possible influence on different ethnicities in preschool children aged 3 to 5 with social exclusion risk.
Background: Oral diseases are a major global public health problem, with negative effects at both individual and collective levels, and there is a relationship between socioeconomic characteristics such as income, occupation and educational level, with the prevalence and severity of oral diseases.
Methods: A cross sectional study was conducted in a sample of 288 preschool children belonging to three schools in the Southeastern Spain among other variables dmft and ICDASS index.