Key Points
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Assists dentists in selecting the most suitable type of framework for a resin-bonded bridge.
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Increases dentists' awareness of the commonest modes of failure for resin-bonded bridges.
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Provides advice on how long resin-bonded bridges should last.
Abstract
Objectives This literature review was designed to assess and compare the success rates and modes of failure of metal-framed, fibre-reinforced composite and all-ceramic, resin-bonded bridges.
Materials and method A Medline search (Ovid), supplemented by hand searching, was conducted to identify prospective and retrospective cohort studies on different resin-bonded bridges within the last 16 years. A total of 49 studies met the pre-set inclusion criteria. Success rates of 25 studies on metal-framed, 17 studies on fibre-reinforced composite and 7 studies on all-ceramic, resin-bonded bridges were analysed and characteristics of failures were identified.
Results The analysis of the studies indicated an estimation of annual failure rates per year to be 4.6% (±1.3%, 95% CI) for metal-framed, 4.1% (±2.1%, 95% CI) for fibre-reinforced and 11.7% (±1.8%, 95% CI) for all-ceramic, resin-bonded bridges. The most frequent complications were: debonding for metal-framed, resin-bonded bridges (93% of all failures); delamination of the composite veneering material for the fibre-reinforced bridges (41%) and fracture of the framework for the all-ceramic bridges (57%).
Conclusions All types of resin-bonded bridges provide an effective short- to medium-term option, with all-ceramic performing least well and having the least favourable mode of failure. The methods of failures were different for different bridges with metal frameworks performing the best over time.
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References
Pjetursson B E, Tan W C, Tan K, Bragger U, Zwahlen M, Lang N P . A systematic review of the survival and complication rates of resin-bonded bridges after an observation period of at least 5 years. Clin Oral Implants Res 2008; 19: 131–141.
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Durey, K. Summary of: A review of the success and failure characteristics of resin-bonded bridges. Br Dent J 215, 76–77 (2013). https://doi.org/10.1038/sj.bdj.2013.714
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DOI: https://doi.org/10.1038/sj.bdj.2013.714
