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The Effect of Multi-Wall Carbon Nanotubes on the Microhardness of the Tooth Enamel

Authors: Mohammed K. Jawad محمد جواد --- Abbas F. Ali عباس فاضل علي
Journal: Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد ISSN: 16800087 Year: 2016 Volume: 28 Issue: 1 Pages: 169-173
Publisher: Baghdad University جامعة بغداد

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Abstract

Background: The objectives of this study are to evaluate the effect of addition of Multi-Wall Carbon Nano Tubes(MWCNTs) of different concentrations (0.05 mg.mL-1,0.25 mg.mL-1,0.5 mg.mL-1and1 mg.mL-1) on dimethyl sulphoxideDMSO and distilled water (DW) on tooth enamel. It intends to evaluate enamel microhardness in (Kg. m-2) pre andpost the application of Multi-Wall Carbon Nano Tubes (MWCNTs).Materials and Methods: Thirty specimens prepared for the present study to measure the hardness of the enamel.Results: The results showed that a significant increase in the enamel microhardness for groups 0.05 mg/mL (group B),0.25 mg/mL (group C), 0.5 mg/mL (group D) and 1 mg/mL (group E) compared with control group (group A) indimethyl sulphoxide media. Also, the results showed a significant increase in the enamel microhardness for polishedsamples compared with unpolished samples in DMSO media.Conclusion: The final conclusion highest mean value obtained was 1 mg/mL (group E) in the enamel microhardnesssuspension in and dimethyl sulphoxide media.

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