%0 Journal Article %T Orthodontic Treatment and the Oral Health-Related Quality of Life of Patients %A N Navabi %A H Farnudi %A M Tahmasbi Arashlow %J Journal of Dentistry of Tehran University of Medical Sciences %D 2012 %I Tehran University of Medical Sciences %X Objective: Malocclusion is a common oral disorder, can cause negative impacts on oral conditions, social life and patients` self confidence. The objective of this study was to determine whether orthodontic treatment influence oral health related quality of life (OHQoL).aterials and Methods: Cross-sectional design with self-reported data were collected from 302 participants attended at professional orthodontic office (62% female; mean age, 21.71 years) in two ˇ°treatmentˇ± and ˇ°no treatmentˇ± groups. The measure namely (oral health impact profile) OHIP-14 was used to assess the patient`s OHQol. Linear regression model was used in the data analysis.Results: A significant relationship was found in one question and one domain of OHIP-14 between the two groups (P<0.05) which showed difference in physical limitation. Linear regression model showed that in the treatment group, this domain of OHQoL was 1.86 times less likely complicated than in the ˇ°no treatmentˇ± group.Conclusion: Patients who had completed orthodontic treatment had a better OHQoL in physical aspects than those who never had treatment. %K Oral Health-Related Quality of Life %K OHQoL %K Orthodontic Treatment %U http://jdt.tums.ac.ir/index.php/jdt/article/view/792/364