The prevalence of malocclusion and orthodontic treatment need of school children in Northern Saudi Arabia.

Objective: To evaluate the incidence of malocclusion and requirement for orthodontic treatment in the Saudi region of Hail city.

Materials And Methods: 520 Saudi participants between 7 and 12 years from Hail city were used in the research, all of whom were selected using a simple randomization method. For every participant, various malocclusion variables such as molar, canine, and incisor relationship, overjet, overbite, open bite, cross bite, scissor cross bite, and the score for the orthodontic treatment need [Index of Orthodontic Treatment Need (IOTN)] were recorded.