Creep of experimental short fiber-reinforced composite resin

Sufyan Garoushi, Muhammad Kaleem, Akikazu Shinya, Pekka K. Vallittu, Julian D. Satterthwaite, David C. Watts, Lippo V J Lassila

    Research output: Contribution to journalArticlepeer-review


    The purpose of this study was to investigate the reinforcing effect of short E-glass fiber fillers oriented in different directions on composite resin under static and dynamic loading. Experimental short fiber-reinforced composite resin (FC) was prepared by mixing 22.5 wt% of short E-glass fibers, 22.5 wt% of resin, and 55 wt% of silane-treated silica fillers. Three groups of specimens (n=5) were tested: FC with isotropic fiber orientation, FC with anisotropic fiber orientation, and particulate-filled composite resin (PFC) as a control. Time-dependent creep and recovery were recorded. ANOVA revealed that after secondary curing in a vacuum oven and after storage in dry condition for 30 days, FC with isotropic fiber orientation (1.73%) exhibited significantly lower static creep value (p
    Original languageEnglish
    Pages (from-to)737-741
    Number of pages4
    JournalDental Materials Journal
    Issue number5
    Publication statusPublished - 2012


    • Composite resin
    • Creep
    • Experimental fiber-reinforced composite


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