Prevalence of Malocclusion in 13-15 Year-old Adolescents in Tabriz

Mohammad Hossein Ahangar Atashi
Background and aims. Malocclusion with its great hazardous effects seems to have become more prevalent in recent decades; therefore, the present study was carried out to assess the prevalence of different malocclusions among 13-15 year-old adolescents in Tabriz. Materials and methods. The subjects in the present study consisted of 398 adolescents aged 13-15, who were randomly selected from 5 different districts of the city. Students who had previous orthodontic treatment or extraction of any permanent...