Abstract

The objective of the study was to find the relationship among patients’ perception of malocclusion, quality of life, and orthodontic treatment need. A total of 128 orthodontic patients participated in this study. Patients were interviewed by using Index of Orthodontic Treatment Need Aesthetic Component (IOTN_AC) and Oral Impacts on Daily Performance (OIDP) in order to determine their perspectives. For orthodontists’ examination, a dental model was analyzed and measured by Dental Aesthetic Index (DAI). ANOVA and Pearson correlation were used to find the relationship of patients’ perception of malocclusion, quality of life, and malocclusion measure by dentist. The result shows there was a relationship between the degree of orthodontic treatment need with DAI. In terms of malocclusion related quality of life, malocclusion affected participants the most by getting embarrassed when they smile, followed by difficulty in cleaning their teeth, and avoiding social interaction, respectively. In conclusion, the study shows the relationship between the degree of orthodontic treatment need from patients’ perception on malocclusion (IOTN_AC) and DAI. This finding emphasizes that IOTN_AC and DAI are alternative tools for evaluating the severity of malocclusion and reflect the degree of orthodontic treatment need