Performance enhancement of dental composites using electrospun nanofibers

H. Dodiuk-Kenig, K. Lizenboim, S. Roth, B. Zalsman, W. A. McHale, M. Jaffe, K. Griswold

    Research output: Contribution to journalArticlepeer-review

    20 Scopus citations


    The objective of the present study is to investigate the effect of electrospun nanofiber reinforcement on the properties of commercially available, hyperbranched polymer modified (Hybrane, 0.3wt.% DSM) dental formulations. The emergence of functionalized nanoscale reinforcements having large surface area (hundreds of square meters/gram) has enabled the design of novel nanocomposites with new and complex structures leading to enhanced mechanical and physical properties. Electrospun nanofibers from a range of polymer chemistries (PVOH, PLLA, Nylon 6) have been investigated as a reinforcing phase at levels between 0.01 and 0.3wt.%, with and without a silane coupling agent surface treatment. The experimental results indicate that 0.05wt.% reinforcement with 250nm diameter PVOH nanofibers leads to a 30% improvement in compressive strength, coupled with a shrinkage reduction of about 50%. Electrospun fiber reinforcement by other chemistries or at other diameters showed either no property improvement or led to property loss.

    Original languageEnglish (US)
    Article number840254
    JournalJournal of Nanomaterials
    Issue number1
    StatePublished - 2008

    All Science Journal Classification (ASJC) codes

    • General Materials Science


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