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Effect of pre-heating on the mechanical properties of silorane-based and methacrylate-based composites

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Effect of pre-heating on the mechanical properties of silorane-based and methacrylate-based composites

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dc.contributor.author Mohammadi, Narmin es
dc.contributor.author Jafari Navimipour, Elmira es
dc.contributor.author Kimyai, Soodabeh es
dc.contributor.author Ajami, Amir Ahmad es
dc.contributor.author Bahari, Mahmood es
dc.contributor.author Ansarin, Mohammad es
dc.contributor.author Ansarin, Mahsa es
dc.date.accessioned 2017-03-06T08:29:50Z
dc.date.available 2017-03-06T08:29:50Z
dc.date.issued 2016 es
dc.identifier.citation Mohammadi, Narmin ; Jafari Navimipour, Elmira ; Kimyai, Soodabeh ; Ajami, Amir Ahmad ; Bahari, Mahmood ; Ansarin, Mohammad ; Ansarin, Mahsa. Effect of pre-heating on the mechanical properties of silorane-based and methacrylate-based composites. En: Journal of Clinical and Experimental Dentistry. 2016. Vol. 8, no. 4: 373 es
dc.identifier.uri http://hdl.handle.net/10550/57527
dc.description.abstract Background: The use of composites in dental restoration has been commonly criticized, due to their underwhelming mechanical properties. This problem may be solved partially by preheating. The present research aims to determine the effect of preheating on the mechanical properties of two different classes of composites. Material and Methods: A Silorane-based (Silorane) and a Methacrylate-based (Z250) composite were preheated to different temperatures (25, 37, and 68 °C) and afterwards were tested with the appropriate devices for each testing protocol. The materialâ s flexural strength, elastic modulus, and Vickers microhardness were evaluated. Two-way ANOVA, and Tukeyâ s post hoc were used to analyze the data. Results: Microhardness and elastic modulus increased with preheating, while flexural strength values did not increase significantly with preheating. Furthermore the methacrylate-based composite (Z250) showed higher values compared to the Silorane-based composite (Silorane) in all the tested properties. Conclusions: Preheating Silorane enhances the compositeâ s microhardness and elastic modulus but does not affect its flexural strength. On the other hand, preheating Z250 increases its microhardness but does not change its flexural strength or elastic modulus. In addition, the Z250 composite shows higher microhardness and flexural strength than Silorane, but the elastic modulus values with preheating are similar. Therefore Z250 seems to have better mechanical properties making it the better choice in a clinical situation. en_US
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Effect of pre-heating on the mechanical properties of silorane-based and methacrylate-based composites es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÃ DICAS es
dc.type.hasVersion VoR es_ES

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