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:: Volume 28, Issue 2 (4-2016) ::
2016, 28(2): 64-71 Back to browse issues page
Effect of Type of Surface Treatment and Adhesive System on Shear Bond Strength of Composite Resin to a Non-Precious Metal Alloy
Esmaeil Yasini , Mansooreh Mirzaie , Hamid Kermanshah , Elahe Habibi , Fariba Motevasselian
Assistant Professor, Department of Restorative Dentistry, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
Abstract:   (321 Views)
Effect of Type of Surface Treatment and Adhesive System on Shear Bond Strength of Composite Resin to a Non-Precious Metal Alloy

E. Yasini 1, M. Mirzaie 2, H. Kermanshah 2, E. Habibi 3, F. Motevasselian 4
1 Professor, Dental Research Center, Dentistry Research Institute, Department of Restorative Dentistry, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran 2 Associate Professor, Dental Research Center, Dentistry Research Institute, Department of Restorative Dentistry, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran 3 Specialist in Restorative and Esthetic Dentistry, Tehran, Iran 4 Assistant Professor, Department of Restorative Dentistry, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran

Abstract
Background and Aim: Fractured metal-ceramic restorations may be repaired with composite in some cases to postpone the fabrication of a new restoration. Knowledge about the bond strength can help predict the success rate of this treatment modality. The aim of this study was to assess the effect of two types of mechanical surface treatment of metal along with the use of different adhesive systems on bond strength of composite to a non-precious metal alloy.
Materials and Methods: In this in vitro experimental study, 110 metal discs were fabricated of nickel chromium alloy and were randomly divided into two groups of surface preparation with sandblasting (S) and bur (B). In each group, the samples were divided into five subgroups based on the adhesive system and composite resin used: Group NC: Z350 composite without application of adhesive; group AC: Alloy primer/Clearfil AP-X; group ZA: Z-Prime Plus/Aelite; group MT: Monobond Plus/Tetric N Ceram; group AZ: Adper Single Bond Plus/Z250. In the positive control group (PC), metal discs were covered with feldspathic porcelain. All samples were then subjected to 1000 thermal cycles and shear bond strength was measured. Data were analyzed using one-way ANOVA, two-way ANOVA and Tukey’s HSD test (P<0.05).
Results: The interaction effect of type of surface treatment and type of adhesive system on bond strength was significant (P<0.05). The highest bond strength (148.7 MPa) was noted in group PC and the lowest bond strength (2.78 MPa) was noted in group B+NC. The bond strength was 13.72 MPa in group S+AZ, 10.84 MPa in group B+AZ and 12.72 MPa in group S+ZA, which did not have a significant difference with the bond strength of group PC.
Conclusion: Type of surface preparation and adhesive affect the bond strength. Surface preparation by sandblasting or bur combined with the use of Adper Single Bond Plus and also combination of Z-Prime Plus adhesive and sandblasting yielded the highest bond strength value.
Key Words: Dental Bonding, Adhesives, Shear Strength, Composite Resins, Metal Ceramic Alloys
Keywords: Dental Bonding, Adhesives, Shear Strength, Composite Resins, Metal Ceramic Alloys
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Type of Study: Orginal | Subject: Restorative Dentistry
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Yasini E, Mirzaie M, Kermanshah H, Habibi E, Motevasselian F. Effect of Type of Surface Treatment and Adhesive System on Shear Bond Strength of Composite Resin to a Non-Precious Metal Alloy. The Journal of Islamic Dental Association of IRAN (JIDA) . 2016; 28 (2) :64-71
URL: http://jidai.ir/article-1-1858-en.html
Volume 28, Issue 2 (4-2016) Back to browse issues page
Journal of Islamic Dental Association of Iran

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