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A 6-year prospective evaluation of a one-step HEMA-free self-etching adhesive in Class II restorations
Umeå University, Faculty of Medicine, Department of Odontology, Dental Hygiene.
2013 (English)In: Dental Materials, ISSN 0109-5641, E-ISSN 1879-0097, Vol. 29, no 11, 1116-1122 p.Article in journal (Refereed) Published
Abstract [en]

Objective. The aim of this study was to evaluate the clinical effectiveness of a one-step HEMA-free self-etching adhesive (SEA) placed with a micro-fine hybrid resin composite in Class II restorations. The restorations were compared intraindividually with 2-step HEMA containing SEA-giomer restorations. Material and methods. Fifty-four patients with at least one pair of two similar Class II cavities participated (30 men, 24 women; mean age 57.1 yrs). A total of 115 Class II composite restorations were placed with (1) a one step HEMA-free adhesive and a micro-fine hybrid resin composite (Gbond/Gradia Direct: 60; GG) and (2) a 2-step HEMA-containing SEA and a giomer (FL Bond/Beautifil: SS; FB). Each participant received in a randomized way at least one restoration with each of the experimental materials. The restorations were evaluated at baseline and yearly during a 6 year followup using modified USPHS criteria. Results. During the 6 years, 111 restorations could be evaluated. No post-operative sensitivity was reported by the participants. Fourteen failed restorations (12.6%) were observed during the follow up, 5 GG (8.5%; 4 premolar and 1 molar teeth) and 9 FB (17.7%; 1 premolar and 8 molar teeth) (p <0.05). Annual failure rate at 6 years were 1.4% for GB and 3.0% for FB. Main reasons of failure were bulk fracture of resin composite for FB and tooth fracture for GB. Signcance. The HEMA-free SEA-hybrid RC restorations showed good clinical durability in Class II cavities after 6 years. The HEMA-containing SEA-giomer restorations showed a rather high failure frequency. (C) 2013 Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2013. Vol. 29, no 11, 1116-1122 p.
Keyword [en]
Adhesion, Clinical, Dental materials, Resin composite, Restoration, Self-etch
National Category
Dentistry Surgery
URN: urn:nbn:se:umu:diva-83750DOI: 10.1016/ 000325928100009OAI: diva2:677762
Available from: 2013-12-10 Created: 2013-12-06 Last updated: 2013-12-10Bibliographically approved

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van Dijken, Jan W. V.
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