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Eight-year randomized clinical evaluation of Class II nanohybrid resin composite restorations bonded with a one-step self-etch or a two-step etch-and-rinse adhesive
Umeå University, Faculty of Medicine, Department of Odontology.
2015 (English)In: Clinical Oral Investigations, ISSN 1432-6981, E-ISSN 1436-3771, Vol. 19, no 6, 1371-1379 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVES: The aim of this study is to observe the durability of Class II nanohybrid resin composite restorations, placed with two different adhesive systems, in an 8-year follow-up.

METHODS: Seventy-eight participants received at random at least two Class II restorations of the ormocer-based nanohybrid resin composite (Ceram X) bonded with either a one-step self-etch adhesive (Xeno III) or a control two-step etch-and-rinse adhesive (Excite). The 165 restorations were evaluated using slightly modified United States Public Health Services (USPHS) criteria at baseline and then yearly during 8 years.

RESULTS: One hundred and fifty-eight restorations were evaluated after 8 years. Three participants with five restorations (three Xeno III, two Excite) were registered as dropouts. Twenty-one failed restorations (13.3 %) were observed during the follow-up. Twelve in the one-step self-etch adhesive group (13.5 %) and nine in the two-step etch-and-rinse group (13.0 %). This resulted in nonsignificant different annual failure rates of 1.69 and 1.63 %, respectively. Fracture of restoration was the main reason for failure.

CONCLUSION: Good clinical performance was shown during the 8-year evaluation and no significant difference in overall clinical performance between the two adhesives. Fracture was the main reason for failure.

CLINICAL RELEVANCE: The one-step self-etch adhesive showed a good long-term clinical effectiveness in combination with the nanohybrid resin composite in Class II restorations.

Place, publisher, year, edition, pages
2015. Vol. 19, no 6, 1371-1379 p.
Keyword [en]
Dental restorations, Clinical, Composite resin, Nano, Posterior, Self-etch adhesive
National Category
Dentistry
Identifiers
URN: urn:nbn:se:umu:diva-95577DOI: 10.1007/s00784-014-1345-8ISI: 000356774100022PubMedID: 25359327OAI: oai:DiVA.org:umu-95577DiVA: diva2:760106
Available from: 2014-11-03 Created: 2014-11-03 Last updated: 2017-12-05Bibliographically approved

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