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Effect of fiber-reinforced composites on the failure load and failure mode of composite veneers

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dc.creator Turkaslan, Suha
dc.creator Tezvergil-Mutluay, Arzu
dc.creator Bagis, Bora
dc.creator Vallittu, Pekka K.
dc.creator Lassila, Lippo V. J.
dc.date 2009-09-01T00:00:00Z
dc.date.accessioned 2021-12-03T11:31:02Z
dc.date.available 2021-12-03T11:31:02Z
dc.identifier 7bf60bfc-99be-4a17-8791-4151aad45db4
dc.identifier 10.4012/dmj.28.530
dc.identifier https://avesis.sdu.edu.tr/publication/details/7bf60bfc-99be-4a17-8791-4151aad45db4/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/92897
dc.description This study compared the initial and final failure loads and failure modes of indirect resin composite laminate veneers with and without fiber reinforcement. Forty intact lower canines received standard laminate preparations and were randomly assigned into four test groups (n=10). In Group 1, indirect resin composite veneers were repaired with two layers of preimpregnated bidirectional glass fiber weave and a restorative composite; in Group 2, with a layer of preimpregnated unidirectional glass fibers and a restorative composite; and in Group 3, with an experimental semi-IPN matrix composed of multidirectional short glass fibers. Indirect resin composite veneers without any fiber reinforcement were used as control (Group 4). All specimens were thermocycled and tested with a universal testing machine. On the final failure load, there were no statistically significant differences (P>0.05) among the test groups. Within each group, pairwise comparison of initial and final failure loads revealed statistically significant differences (p<0.05), except for Group 4 (p>0.05). On failure mode, unreinforced specimens showed instantaneous failure, whereas reinforced specimens mostly demonstrated elongated failure.
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title Effect of fiber-reinforced composites on the failure load and failure mode of composite veneers
dc.type info:eu-repo/semantics/article


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