ABSTRACT
The purpose of this study was to find the prevalence of occlusal features among a group of primary school children in Iraq and to study the distribution of these features according to subjects profile, age and gender. The study involved 173 children [64 boys and 109 girls], distributed in different primary schools in Baghdad city. Children examined were with an age range of 8-12 years, with a mean age 10.74 years. The following occlusal features were studied: the molar's Angle's classification, incisal overjet, incisal overbite, posterior cross bite, lip form, tongue size, spacing and crowding. The distribution of incisal overjet, incisal overbite, lip form and tongue size, are significantly affected by subject's profile, while the distribution of crowding and spacing were significantly affected by age and gender