| A systematic review concerning early orthodontic treatment of unilateral posterior crossbite. | |
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MedLine Citation:
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PMID: 14580028 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The aim of this study was to assess the orthodontic treatment effects on unilateral posterior crossbite in the primary and early mixed dentition by systematically reviewing the literature. A literature search was performed by applying the Medline database (Entrez PubMed) and covering the period from January 1966 to October 2002. The inclusion criteria were primary and early mixed dentition with unilateral posterior crossbite, randomized controlled trials (RCT), prospective and retrospective studies with concurrent untreated as well as normal controls, and clinical trials comparing at least two treatment strategies without any untreated or normal group involved. Two reviewers extracted the data independently and also assessed the quality of the studies. The search strategy resulted in 1001 articles, and 12 met the inclusion criteria. Two RCTs of early treatment of crossbite have been performed, and these two studies support grinding as treatment in the primary dentition. There is no scientific evidence available to show which of the treatment modalities, grinding, Quad-helix, expansion plates, or rapid maxillary expansion, is the most effective. Most of the studies have serious problems of lack of power because of small sample size, bias and confounding variables, lack of method error analysis, blinding in measurements, and deficient or lack of statistical methods. To obtain reliable scientific evidence, better-controlled RCTs with sufficient sample sizes are needed to determine which treatment is the most effective for early correction of unilateral posterior crossbite. Future studies should also include assessments of long-term stability as well as analysis of costs and side effects of the interventions. |
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Authors:
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Sofia Petrén; Lars Bondemark; Björn Söderfeldt |
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Publication Detail:
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Type: Journal Article; Meta-Analysis; Review |
Journal Detail:
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Title: The Angle orthodontist Volume: 73 ISSN: 0003-3219 ISO Abbreviation: Angle Orthod Publication Date: 2003 Oct |
Date Detail:
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Created Date: 2003-10-28 Completed Date: 2003-12-16 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0370550 Medline TA: Angle Orthod Country: United States |
Other Details:
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Languages: eng Pagination: 588-96 Citation Subset: D; IM |
Affiliation:
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Department of Orthodontics, Faculty of Odontology, Malmö University, Malmö, Sweden. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Clinical Trials as Topic Dentition, Mixed* Humans Malocclusion / therapy* Orthodontics, Corrective / classification Prospective Studies Randomized Controlled Trials as Topic Research Design Retrospective Studies Tooth, Deciduous / pathology* |
| Comments/Corrections | |
Comment In:
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Evid Based Dent. 2005;6(1):24
[PMID:
15789051
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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