Korean J Orthod.  2014 Nov;44(6):304-311. 10.4041/kjod.2014.44.6.304.

Effect of malocclusion or orthodontic treatment on oral health-related quality of life in adults

• Kang JM
• Kang KH

• KMID: 2273230
• DOI: http://doi.org/10.4041/kjod.2014.44.6.304

Abstract

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.

Keyword

Psychology; Orthodontic treatment; Malocclusion; Quality of life

MeSH Terms

Adult*
Esthetics
Female
Humans
Male
Malocclusion*
Oral Health
Psychology
Quality of Life*
Surveys and Questionnaires

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