Pattern of Malocclusion in Patients Attended in Orthodontic Department of a Tertiary Level Hospital

The aim of this study was to determine the pattern of individual traits of malocclusion, including sagittal molar relationship, overbite, overjet, crowding, spacing, cross bite, missing tooth, impacted tooth and extra tooth of upper and lower jaws in patients attended in Orthodontic Department of a Tertiary Level Hospital. This cross-sectional study included orthodontic patients who visited the department of Orthodontics and Dentofacial Orthopedics in Sapporo Dental College and Hospital from January 2013 to February 2018. Among the study population comprised of 371 patients the females were 57.1% and the males were 42.1%.Among them, 6.7% belonged to 6 to 11 years, 20.5% belonged to 12 to 17 years and the remaining 72.8% were of 18-35 years of age . Angles Class I malocclusion was seen to be the most prevalent (64.2%). In incisor classification, Class I malocclusion was seen to be the most prevalent (38.3%). Increase in overjet, deep overbite, crossbite, crowding and spacing were found in 35.34%, 40.3%, 24.3%, 58.2% and 38.5% of the patients respectively