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Abstract
This project was aimed to determine the prevalence of malocclusion among school children in Cairo goverorates . Results : distribution of angle classification : this study showed that 497 children (25.7%) had accepted occlusion while 997 children had angle classI malocclusion representing (22.5%) of the study sample 318 children had angle classII malocclusion representing (16.4%) of the study sample while 115 children had classIII malocclusion representing (5.9%) of the study sample and 9 children had classII IV representing (0.5 %) of the study sample