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KMID : 0361920140440060304
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Korean Journal of Orthodontics
2014 Volume.44 No. 6 p.304 ~ p.311
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Effect of malocclusion or orthodontic treatment on oral health-related quality of life in adults
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Kang Jang-Mi
Kang Kyung-Hwa
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Abstract
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Objective: The purpose of this study was to evaluate the effect of malocclusion or orthodontic treatment on oral health-related quality of life (OHRQoL) in adults.
Methods: The sample consisted of 860 adults (378 men and 482 women, aged 18?39 years) who were clinically evaluated for malocclusion or orthodontic treatment experience. Participants were divided into 4 groups as follows: normal occlusion, malocclusion, fixed treatment, and retention. OHRQoL was assessed with the short form of the Oral Health Impact Profile (OHIP-14) and Psychosocial Impact of Dental Aesthetics Questionnaire (PIDAQ).
Results: The malocclusion group and the fixed treatment group had significantly higher OHIP-14 scores than the normal occlusion group and the retention group (p < 0.001). The malocclusion group had the highest PIDAQ score, while the normal occlusion group and the retention group had the lowest PIDAQ score (p < 0.001). Women had higher OHIP-14 and PIDAQ scores than men. A significant positive correlation was found between OHIP-14 and PIDAQ scores (p < 0.01).
Conclusions: Malocclusion has a negative impact on OHRQoL, but this could be improved in adults through orthodontic treatment. These OHRQoL questionnaires can provide additional useful information on specific aspects of orthodontic patients’ psychological state.
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KEYWORD
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Psychology, Orthodontic treatment, Malocclusion, Quality of life
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