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Clinical performance of a hybrid resin composite with and without an intermediate layer of flowable resin composite: a 7-year evaluation
Umeå University, Faculty of Medicine, Department of Odontology.
School of Dentistry, Faculty of Health Science, University of Copenhagen, Denmark.
2011 (English)In: Dental Materials, ISSN 0109-5641, E-ISSN 1879-0097, Vol. 27, no 2, 150-156 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: The objective of this prospective clinical follow up was to evaluate the long term clinical performance of a hybrid resin composite in Class II restorations with and without intermediate layer of flowable resin composite.

METHODS: Each participant received at least two, as similar as possible, Class II restorations of the hybrid resin composite. One resin composite restoration of each pair (59) was chosen at random to be restored with an intermediary layer with flowable resin composite. The other was restored without. The 118 restorations were evaluated using slightly modified USPHS criteria at baseline and then yearly during 7 years.

RESULTS: Four drop outs were registered during the 7-year follow up (2 with and 2 without flowable) restorations. A prediction of the caries risk showed that 18 of the evaluated 46 patients were considered as high risk patients. Seventeen failures were observed, 8 in restorations with and 9 in restorations without an intermediate layer of flowable resin composite, resulting in a 14.9% failure rate after 7 years. The main reasons for failure were: fracture of resin composite (8), secondary caries (4) and cusp fracture (3). No statistical difference was seen between restorations restored with and without flowable layer.

CONCLUSION: The hybrid resin composite showed a good clinical performance during the 7-year evaluation. The use of flowable resin composite as an intermediate layer did not result in improved effectiveness of the Class II restorations.

Place, publisher, year, edition, pages
2011. Vol. 27, no 2, 150-156 p.
Keyword [en]
Clinical; Composite resin; Dental restorations; Flowable; Posterior
National Category
Dentistry
Research subject
Odontology
Identifiers
URN: urn:nbn:se:umu:diva-37160DOI: 10.1016/j.dental.2010.09.010PubMedID: 20952051OAI: oai:DiVA.org:umu-37160DiVA: diva2:358153
Available from: 2010-10-21 Created: 2010-10-21 Last updated: 2017-12-12Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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