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The effect of incorporating carbon nanotubes on impact, transverse strength, hardness, and roughness to high impact denture base material

Author: Wsamaa S. Mahmood
Journal: Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد ISSN: 16800087 Year: 2015 Volume: 27 Issue: 1 Pages: 96-99
Publisher: Baghdad University جامعة بغداد

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Abstract

Background: One of the most common complications of dentures is its ability to fracture, so the aim of this study wasto reinforce the high impact denture base with carbon nanotubes in different concentrations to improve themechanical and physical properties of the denture base.Materials and methods: Three concentrations of carbon nanotubes was used 0.5%, 1%, 1.5% in a pilot study to seethe best values regarding transverse strength, impact, hardness and roughness test, 1 wt% was the bestconcentration, so new samples for control group and 1wt% carbon nanotubes and the previous tests were of courserepeated.Results: There was a significant increase in impact strength and transverse strength when we add carbon nanotubesin 1wt%, compared to control group where as hardness decrease when adding carbon nanotubes.Conclusion: the addition of carbon nanotubes improves the physical and mechanical properties

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