Volume 19, Issue 6 (Jan-Feb 2012)
JSSU 2012, 19(6): 745-753 |
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Asadian F, Daneshkazemi A, Dabili R. Comparison of Micro-Shear Bond Strength of Resin Cements to Root Dentin of Bovine Teeth. JSSU 2012; 19 (6) :745-753
URL: http://jssu.ssu.ac.ir/article-1-1827-en.html
URL: http://jssu.ssu.ac.ir/article-1-1827-en.html
Abstract: (7849 Views)
Introduction: Nowadays resin cements are commonly used in operative dentistry but the strength of micro- shear bonds of these cements was different in various studies. The aim of this study was to compare the micro-shear bond strength of three resin cements with different mechanisms consisting of maxcem, variolink II and panavia F2.0 to bovine tooth dentin.
Methods: Thirty nine longitudinal slices of bovine root dentin were prepared. Specimens were randomly divided into three equal groups. In each group one resin cement was used in cylinders with 1×2mm diameters on each slice. After setting of the cement, micro-shear bond strength was evaluated by a micro-tester device with 0.5mm/min cross head speed. Data were analyzed by ANOVA, Tukey and Bonferroni tests.
Results: Micro-shear bond strength of Panavia F2.0, Maxcem and Variolink II was 15.07, 7.33 and 4.97Mpa, respectively. There were significant differences between groups.
Conclusion: Micro-shear bond strength of total-Etch resin cements was lower than self-Etch ones.
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