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Long-term stability of orthodontic treatment and patient satisfaction. A systematic review.
Umeå University, Faculty of Medicine, Odontology, Pediatric Dentistry.
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2007 (English)In: The Angle orthodontist, Vol. 77, no 1, 181-91 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: To evaluate morphologic stability and patient satisfaction at least 5 years after orthodontic treatment. MATERIALS AND METHODS: Published literature was searched through the PubMed and Cochrane Library electronic databases from 1966 to January 2005. The search was performed by an information specialist at the Swedish Council on Technology Assessment in Health Care. The inclusion criteria consisted of a follow-up period of at least 5 years postretention; randomized clinical trials, prospective or retrospective clinical controlled studies, and cohort studies; and orthodontic treatment including fixed or removable appliances, selective grinding, or extractions. Two reviewers extracted the data independently and also assessed the quality of the studies. RESULTS: The search strategy resulted in 1004 abstracts or full-text articles, of which 38 met the inclusion criteria. Treatment of crowding resulted in successful dental alignment. However, the mandibular arch length and width gradually decreased, and crowding of the lower anterior teeth reoccurred postretention. This condition was unpredictable at the individual level (limited evidence). Treatment of Angle Class II division 1 malocclusion with Herbst appliance normalized the occlusion. Relapse occurred but could not be predicted at the individual level (limited evidence). The scientific evidence was insufficient for conclusions on treatment of cross-bite, Angle Class III, open bite, and various other malocclusions as well as on patient satisfaction in a long-term perspective. CONCLUSIONS: This review has exposed the difficulties in drawing meaningful evidence-based conclusions often because of the inherent problems of retrospective and uncontrolled study design.

Place, publisher, year, edition, pages
2007. Vol. 77, no 1, 181-91 p.
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URN: urn:nbn:se:umu:diva-7392PubMedID: 17029533OAI: diva2:147063
Available from: 2008-01-09 Created: 2008-01-09 Last updated: 2011-01-11Bibliographically approved

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