| A six-year prospective randomized study of a nano-hybrid and a conventional hybrid resin composite in Class II restorations. | |
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MedLine Citation:
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PMID: 23063254 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: The objective of this 6 year prospective randomized equivalence trial was to evaluate the long-term clinical performance of a new nano-hybrid resin composite (RC) in Class II restorations in an intraindividual comparison with its well-established conventional hybrid RC predecessor. METHODS: Each of 52 participants received at least two, as similar as possible, Class II restorations. The cavities were chosen at random to be restored with an experimental nano-hybrid RC (Exite/Tetric EvoCeram (TEC); n=61) and a conventional hybrid RC (Exite/Tetric Ceram (TC); n=61). The restorations were evaluated with slightly modified USPHS criteria at baseline and then annually during 6 years. RESULTS: Two patient drop outs with 4 restorations (2TEC, 2TC) were registered during the follow-up. A prediction of the caries risk showed that 16 of the evaluated 52 patients were considered as high risk patients. Eight TEC (2 P, 6M) and 6 TC (2P, 4M) restorations failed during the 6 years. The main reason of failure was secondary caries (43%; including the failure fracture+secondary caries it increases to 57.1%). 63% of the recurrent caries lesions were found in high caries risk participants. The overall success rate at six years was 88.1%. No statistical significant difference was found in the overall survival rate between the two investigated RC. SIGNIFICANCE: The nano-hybrid RC showed good clinical performance during the 6 year evaluation, comparable to the well-established conventional hybrid RC. |
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Authors:
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Jan W V van Dijken; Ulla Pallesen |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-9 |
Journal Detail:
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Title: Dental materials : official publication of the Academy of Dental Materials Volume: - ISSN: 1879-0097 ISO Abbreviation: Dent Mater Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8508040 Medline TA: Dent Mater Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved. |
Affiliation:
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Dental School, Faculty of Medicine, Umeå University, Umeå, Sweden. Electronic address: jan.van.dijken@odont.umu.se. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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