Brésil (5) âge (4) Age (4) Age (4) établissement scolaire (3) ville (3) Preschool children (3) Statistics (3) Manufacturers' agents (3) Commission merchants (3) Children (3) Gender (3) statistiques (2) état (2) tabagisme (2) association (2) santé (2) Children (2) Aging (2) Statistics (2) Work (2) Deciduous teeth (2) Students (2) Social groups (2) Smoking (2) Poor (2) Periodontal probe (2) Malocclusion (2) Lighting (2) Incisors (2)