Pattern of Malocclusion in a Sample of Orthodontic Patients from a Hospital in the Kingdom of Saudi Arabia

Background: Malocclusion can present itself in numerous ways. It is present in every society, but the norms and pattern vary. In order to correct occlusal disharmony, it is imperative to identify its pattern in the population so that proper resources can be directed toward its diagnosis and treatment planning. The aim of this study was to determine of skeletal and dental malocclusion in a sample of Saudi orthodontic patients. Material and Methods: To achieve this, dentofacial characteristics of 510 patients from September 2013 to May 2015 were analyzed and tabulated. Both male and female were included in this study. Different cephalometric values were used to evaluate the type of malocclusion. Casts were analyzed to record the patient’s dental classification. Results: Molar Class II malocclusion was the most frequent, whereas class III subdivision the least frequent. Statistically significant difference was observed in normal overjet, overbite, crossbite, slight midline deviation, ANB, NL/ML, NSL/ML, according to gender and between the hypodivergent and hyperdivergent groups, and between ANB, AOBO in the skeletal class I and class II group. Conclusion: the results give a detailed pattern of malocclusion in orthodontic patients and may provide a baseline data for planning orthodontic service. Class II Saudi patients have a higher motivation for orthodontic therapy. Statistically significant difference was found between vertical and sagittal angles.