Volume 7, Issue 2 (Journal of Research in Dental & Maxillofacial Sciences Spring 2022)                   J Res Dent Maxillofac Sci 2022, 7(2): 62-69 | Back to browse issues page

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Ghorbani F, Pourhaghani S, Heshmat H, Jalalian S, Kharazifard M. Effect of Pomegranate Peel and Green Tea Extract as Antioxidants on Shear Bond Strength of a Microhybrid Composite to Bleached Enamel. J Res Dent Maxillofac Sci. 2022; 7 (2) :62-69
URL: http://jrdms.dentaliau.ac.ir/article-1-351-en.html
1- Private Dentistry Practice, Tehran, Iran
2- Department of Restorative Dentistry, Faculty of Dentistry, Tehran Medical Science, Islamic Azad Universi-ty,Tehran,Iran
3- Department of Restorative Dentistry, Faculty of Dentistry, Dental Material Research Center, Tehran Medical Science, Islamic Azad University, Tehran, Iran
4- Department of Restorative Dentistry, Faculty of Dentistry, Dental Material Research Center, Tehran Medical Science, Islamic Azad University, Tehran, Iran , shahriar.jalalian@yahoo.com
5- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Science, Tehran, Iran
Abstract:   (108 Views)

Background and Aim: This study evaluated the effect of pomegranate peel and green tea extracts on shear bond strength (SBS) of a microhybrid composite to bleached enamel.
Materials and Methods: In this in vitro, experimental study, 44 maxillary premolars were divided into 4 groups of control A (composite cylinders bonded to teeth without bleaching), group B (composite bonding immediately after bleaching), group C (5 g of green tea extract was dissolved in 100 mL of distilled water, applied for 10 minutes, and rinsed for 30 seconds, followed by bleaching and composite bonding) and group D (5 g of pomegranate peel extract was dissolved in 100 mL of distilled water; the rest was similar to group C). In groups B, C and D, 35% hydrogen peroxide was applied on the teeth for 20 minutes and rinsed. This process was repeated two more times. The teeth were etched with 35% phosphoric acid for 15 seconds and rinsed for 15 seconds. A microhybrid composite was applied in Tygon tubes, bonded to the teeth with single Bond, and light-cured. Mode of failure was also determined. SBS was measured by a universal testing machine and data were analyzed by one-way ANOVA and Tukey’s test.
Results: A statistically significant difference was found in the mean SBS of the groups (P<0.001). The mean SBS of group B (not treated with antioxidant after bleaching) was significantly lower than that in other groups (P<0.05).
Conclusion: Application of 5% pomegranate peel and green tea extracts increase the SBS of composite to bleached enamel.

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Type of Study: Original article | Subject: Oral medicine

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