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Review

Effect of Fiber Reinforcement Type on the Performance of Large Posterior Restorations: A Review of In Vitro Studies

1
Turku Clinical Biomaterial Center (TCBC), Institute of Dentistry, University of Turku, 20100 Turku, Finland
2
Department of Biomaterials Science, Institute of Dentistry, University of Turku, 20100 Turku, Finland
3
City of Turku Welfare Division, Oral Health Care, 20100 Turku, Finland
4
Reseach and Development and Production Department, Stick Tech Ltd.—Member of GC Group, 20100 Turku, Finland
*
Author to whom correspondence should be addressed.
Academic Editors: Roberto De Santis and Muhammad Sohail Zafar
Polymers 2021, 13(21), 3682; https://doi.org/10.3390/polym13213682
Received: 19 September 2021 / Accepted: 22 October 2021 / Published: 26 October 2021
To reinforce extensively prepared cavities, different types of fiber reinforcement are utilized. Polyethylene and glass fibers are the most commonly used fibers in that purpose; each type has its own advantages over the other type. Therefore, the aim of this study is to review the literature to evaluate and compare the influence of different fiber reinforcement types on the performance of posterior large composite restorations. Two independent authors performed a comprehensive literature search using MEDLINE/PubMed, Google Scholar, and a manual search for cross references until July 2021. Authors selected only studies that contain comparisons between glass (continuous or short) and polyethylene (woven) fiber-reinforced composites (FRCs) in posterior cavities of human teeth, and that report the effect of fiber inclusion on fracture resistance, microleakage, and marginal adaptation of restorations. A number of 2711 potentially relevant articles were obtained from the electronic search. After extensive assessment, 2696 articles were ineligible to be included in the review, and only 15 articles met the inclusion criteria. Four out of nine studies, which tested the fracture resistance of FRC restorations, revealed similar performance of the glass and polyethylene fibers. The rest of the studies (n = 5) revealed statistically significant differences between the two types of fiber reinforcement, with the majority showed superior reinforcement of glass fiber. Moreover, the reviewed studies revealed that, using fibers within the composite restorations would reduce the microleakage and improve the marginal adaptation of the restoration regardless of the fiber type. FRCs tend to strengthen the restorations of structurally compromised teeth and improve their performance compared to plain composite restorations. View Full-Text
Keywords: fiber-reinforced composite restoration; polyethylene fiber; glass fiber; fracture resistance; microleakage fiber-reinforced composite restoration; polyethylene fiber; glass fiber; fracture resistance; microleakage
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MDPI and ACS Style

Mangoush, E.; Garoushi, S.; Lassila, L.; Vallittu, P.K.; Säilynoja, E. Effect of Fiber Reinforcement Type on the Performance of Large Posterior Restorations: A Review of In Vitro Studies. Polymers 2021, 13, 3682. https://doi.org/10.3390/polym13213682

AMA Style

Mangoush E, Garoushi S, Lassila L, Vallittu PK, Säilynoja E. Effect of Fiber Reinforcement Type on the Performance of Large Posterior Restorations: A Review of In Vitro Studies. Polymers. 2021; 13(21):3682. https://doi.org/10.3390/polym13213682

Chicago/Turabian Style

Mangoush, Enas, Sufyan Garoushi, Lippo Lassila, Pekka K. Vallittu, and Eija Säilynoja. 2021. "Effect of Fiber Reinforcement Type on the Performance of Large Posterior Restorations: A Review of In Vitro Studies" Polymers 13, no. 21: 3682. https://doi.org/10.3390/polym13213682

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