5 The impact of orthodontic treatment on the quality of life in adolescents

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European Journal of Orthodontics 30 (2008) 515–520 © The Author 2008. Published by Oxford University Press on behalf of the European Orthodontic Society. All rights reserved. For permissions, please email: [email protected] doi:10.1093/ejo/cjn026 Advance Access publication 27 August 2008 Introduction The provision of dental care should be based on the ability to bene fi t an individual patient (Sheiham and Tsakos, 2007). The bene fi ts of dental treatment must, therefore, be balanced against their associated risks and costs in order to safeguard individuals from procedures and interventions which may be of little bene fi t, or even harmful, and to avoid wasting limited fi nancial resources (Shaw et al. , 1991). Interest in the effectiveness and the provision of orthodontic treatment has increased in recent years (Kerosuo et al. , 2000; Richmond et al. , 2004, 2005; Zhang et al. , 2006). Therefore, when evaluating orthodontic care is important to determine if treatment was appropriate and if the pre-treatment goals were achieved (Pietilä and Pietilä, 1996; Richmond et al. , 2004, 2005). With increasing emphasis on evidence-based health services, the need to document the impact of care is a challenge to the orthodontic profession (Lagerström et al. , 2000). Traditionally, the aims of orthodontic treatment are to improve dental and oral health and aesthetics, thereby resulting in an improvement in psychosocial well-being (O’Brien et al. , 1998; Cunningham and Hunt, 2001; Hunt et al. , 2001; Klages et al. , 2006). However, a recent review concluded that The impact of orthodontic treatment on the quality of life in adolescents: a case–control study Eduardo Bernabé* , **, Aubrey Sheiham**, Georgios Tsakos** and Cesar Messias de Oliveira** , *** *Unidad de Investigación en Salud Pública Dental, Departamento de Odontología Social, Universidad Peruana Cayetano Heredia, Perú, **Department of Epidemiology and Public Health, University College London and ***School of Dentistry, University of Manchester, UK SUMMARY The aim of this case–controlled study was to assess the effect of orthodontic treatment on the quality of life of Brazilian adolescents. Two hundred and seventy-nine ‘cases’ (106 males and 173 females) and 558 controls (246 males and 312 females) were randomly selected from 15- to 16-year-old adolescents attending all secondary schools in Bauru, São Paulo, Brazil. A case was defined as having at least one condition-specific impact (CSI) attributed to malocclusion during the previous 6 months, based on the Oral Impact on Daily Performances index. Conversely, a control was defined as having no CSI attributed to malocclusion during the same period. Adolescents were also clinically examined for orthodontic treatment need using the Index of Orthodontic Treatment Need (IOTN) and asked about previous orthodontic treatment. Binary logistic regression was used for statistical analysis.

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