| Lingual retainers bonded without liquid resin: A 5-year follow-up study. | |
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MedLine Citation:
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PMID: 23273365 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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INTRODUCTION: The aim of this in-vivo study study was to evaluate the effect of excluding the liquid resin component of a composite bonding product that is based on bisphenol A diglycidylmethacrylate when bonding lingual retainers. METHODS: The material comprised 40 metal multistrand lingual retainers bonded onto the lingual surfaces of maxillary and mandibular anterior teeth. Transbond LR composite paste and liquid resin (3M Unitek, Monrovia, Calif) were used to bond retainers in the control group (20 retainers). The same bonding material was used in the test group (20 retainers), but the liquid resin component was excluded. The durations (in months) of retainer survival were analyzed by using the Kaplan-Meier product limit method and the log rank test. RESULTS: Fifty percent of the retainers in the control group and 60% of those in the test group had no bond failures during the 5-year observation period; the difference was not statistically significant. Bond failures were recorded in 13.6% of the bonded tooth surfaces in the control group and in 14.9% in the test group; the difference was not statistically significant. On average, the retainers stayed intact in the control and test groups for 36 and 32 months, respectively. The median survival times of the control and test groups were 43 months and more than 47 months, respectively. Neither the survival analysis nor the 95% confidence intervals (24-49 months in the control group, 24-40 months in the test group) suggested any statistically significant difference between the groups. CONCLUSIONS: Metal lingual retainers can be successfully bonded without liquid resin and serve the patient equally as well clinically as retainers bonded with the conventional bonding technique. |
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Authors:
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Alexander T H Tang; Carl-Magnus Forsberg; Anna Andlin-Sobocki; Jan Ekstrand; Urban Hägg |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics Volume: 143 ISSN: 1097-6752 ISO Abbreviation: Am J Orthod Dentofacial Orthop Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2012-12-31 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8610224 Medline TA: Am J Orthod Dentofacial Orthop Country: United States |
Other Details:
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Languages: eng Pagination: 101-4 Citation Subset: D; IM |
Copyright Information:
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Copyright © 2013 American Association of Orthodontists. Published by Mosby, Inc. All rights reserved. |
Affiliation:
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Assistant professor, Department of Orthodontics, University of Hong Kong, Hong Kong, China. Electronic address: athtang@hotmail.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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