Influence of fiber position on the flexural properties and strain energy of a fibre reinforced composite

AE Ellakwa, Adrian Shortall, Peter Marquis

Research output: Contribution to journalArticle

10 Citations (Scopus)


The introduction of laboratory-processed composite systems and fibre reinforcement techniques have increased the possibilities for the prosthetic replacement of missing tooth tissues. Laboratory fabrication variables may significantly influence the properties of the final prosthesis. During the construction of a fibre-reinforced bridge it is necessary to place the fibre at some distance from the fitting surface of the restoration in the pontic region. No guidelines are available for optimal fibre placement in this respect. The purpose of this study was to assess the influence of placing ultra high molecular weight polyethylene (UHMWPE) fibre at five different distances from the tensile side of test samples on flexural properties and the strain energy stored within the dental composite. The results of this investigation showed that whilst moving the fibre reinforcement away from the tensile side by up to 1.5 mm led to a significant reduction in flexural strength, there was no significant decline in the increase in strain energy stored within the tested composite until this distance was exceeded.
Original languageEnglish
Pages (from-to)679-82
Number of pages4
JournalJournal of Oral Rehabilitation
Issue number7
Publication statusPublished - 1 Jul 2003


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