Volume 28, Issue 7 (Monthly_Oct 2017)
Studies in Medical Sciences 2017, 28(7): 435-446 |
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Yarmohammadi E, Khamverdi Z, Monsef esfehani F, Soltanian A. Evaluation of the effect of the etch and rinse adhesives with different solvents on durability of resin composite bonding to the treated dentin with proanthocyanidins. Studies in Medical Sciences 2017; 28 (7) :435-446
URL: http://umj.umsu.ac.ir/article-1-3998-en.html
URL: http://umj.umsu.ac.ir/article-1-3998-en.html
Department of Restorative Dentistry, School of Dentistry, Hamedan University of Medical Sciences, Hamedan, Iran , drfmonsef@gmail.com
Abstract: (4854 Views)
Background & Aims: Use of the antioxidants can affect the durability of bond strength in some adhesive systems. This study sought to evaluate the effect of two types of the two step etch and rinse adhesive systems with different solvents on durability of resin composite bonding to the treated dentin with proanthocyanidins.
Materials & Methods: In this in vitro experimental study, 80 human molar teeth, after removal of the coronal enamel, were randomly divided into 4 groups, based on the type of solvent used in the adhesive. Half of them were treated with proanthocyanidins, and others were considered as the control. Thermocycling and cutting were done on the specimens 24 hours after preparing and water storage. Half of them were immediately subjected to the microtensile bond strength test, and the others after 6 months storage in distilled water. The mode of failures and the fractured surface morphology were examind under a stereomicroscope and scanning electron microscope, respectively.
Results: None of the variables including the use of proanthocyanidin, type of solvent and storage had significant effect lonely, but the interaction between the use of proanthocyanidin and solvent type, and the interaction between the use of proanthocyanidin and storage had statistically significant effect on the values of microtensile bond strenght (P<0.05).
Conclusion: Use of proanthocyanidin leads to bond stability and this effect improves significantly accompanying adhesives with ethanolic base.
Materials & Methods: In this in vitro experimental study, 80 human molar teeth, after removal of the coronal enamel, were randomly divided into 4 groups, based on the type of solvent used in the adhesive. Half of them were treated with proanthocyanidins, and others were considered as the control. Thermocycling and cutting were done on the specimens 24 hours after preparing and water storage. Half of them were immediately subjected to the microtensile bond strength test, and the others after 6 months storage in distilled water. The mode of failures and the fractured surface morphology were examind under a stereomicroscope and scanning electron microscope, respectively.
Results: None of the variables including the use of proanthocyanidin, type of solvent and storage had significant effect lonely, but the interaction between the use of proanthocyanidin and solvent type, and the interaction between the use of proanthocyanidin and storage had statistically significant effect on the values of microtensile bond strenght (P<0.05).
Conclusion: Use of proanthocyanidin leads to bond stability and this effect improves significantly accompanying adhesives with ethanolic base.
Type of Study: Research |
Subject:
دندانپزشکی(فک و صورت)
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