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Five-year survival of 3-unit fiber-reinforced composite fixed partial dentures in the posterior area.
Umeå University, Faculty of Medicine, Department of Odontology.
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2010 (English)In: Dental Materials, ISSN 0109-5641, E-ISSN 1879-0097, Vol. 26, no 10, 954-960 p.Article in journal (Refereed) Published
Abstract [en]

Objectives: The purpose of this clinical study was to evaluate the long-term outcome of three-unit posterior fixed partial dentures (FPDs) made of fiber-reinforced resin composite (FRC), and to identify design factors influencing the survival rate.

Methods: 77 patients (52 females, 25 males) received 96 indirectly made FRC FPDs, using pre-impregnated unidirectional glass-fibers, requiring manual wetting, as framework material. FPDs were surface (n = 31) inlay (n = 45) or hybrid (n = 20) retained and mainly located in the upper jaw. Hybrid FPDs consisted of a wing retainer at canine and an inlay retainer at distal abutment tooth. Surface FPDs consisted of uplay and wing combinations. Follow-up period was at minimum 4.5 years, with checkups at every 1–2 years. The study was carried out by six operators in three centers in the Netherlands, Finland and Sweden. Survival rates, including reparable defects of FPDs, and success rates were determined.

Results: Kaplan–Meier survival rate at 5 years was 71.2% (SE 4.8%) for success and 77.5% (SE 4.4%) for survival. Differences were not significantly different. Main failure modes were delamination and fracture of the FPD. Only FPDs with surface retainers showed debonding.

Conclusions: A success rate of 71% and a survival rate of 78% after 5 years was found. Survival rates of inlay, hybrid and surface retained FPDs did not significantly differ.

Place, publisher, year, edition, pages
Copenhagen: Munksgaard , 2010. Vol. 26, no 10, 954-960 p.
Keyword [en]
dental restorations, fiber-reinforced composites, fixed partial denture, resin bonded bridge
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URN: urn:nbn:se:umu:diva-35210DOI: 10.1016/ 000281349700002PubMedID: 20638712OAI: diva2:337848
Available from: 2010-08-09 Created: 2010-08-09 Last updated: 2011-04-26Bibliographically approved

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van Dijken, Jan W V
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