According to study at United States amongst children 6-11 years old and adult 12-17 years old by USPHS (UnitedStates Public Health Service) on 1963, the prevalence of malocclusion is more higher at adults than children. The aim of this study was to assess prevalence of malocclusion amongst adults 12-17 years old at Panti Asuhan Al-Yamin Palembang. This research used “crossectional” design a…