EFFECT OF COLLAGEN FIBRILS REMOVAL ON SHEAR BOND STRENGTH OF TOTAL ETCH AND SELF-ETCH ADHESIVE SYSTEMS

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PISHEVAR L.; MOSAVINASAB M.; JAFARI M.; OMIDI K.

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Journal: Journal of Dental Medicine Year:2009 | Volume:22 | Issue:3 (60) Page(s): 86-92

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Title

EFFECT OF COLLAGEN FIBRILS REMOVAL ON SHEAR BOND STRENGTH OF TOTAL ETCH AND SELF-ETCH ADHESIVE SYSTEMS

Author(s)

PISHEVAR L. | MOSAVINASAB M. | JAFARI M. | OMIDI K. | Issue Writer Certificate

Keywords

COLLAGEN FIBRILSQ2

SODIUM HYPOCHLORITEQ3

SHEAR STRENGTHQ2

ADHESIVEQ2

SELF ETCHQ2

TOTAL ETCHQ2

Abstract

Background and Aim: SODIUM HYPOCHLORITE can remove the organic phase of the demineralized dentin and it produces direct resin bonding with hydroxyapatite crystals. Therefore, the hydrolytic degradation of COLLAGEN FIBRILS which might affect the bonding durability is removed. The aim of this study was to evaluate the effect of COLLAGEN FIBRILS removal by 10% NaOCl on dentin shear bond strength of two TOTAL ETCH and self-etch ADHESIVE systems.Materials and Methods: Sixty extracted human premolar teeth were used in this study. Buccal surface of teeth were grounded until dentin was exposed. Then teeth were divided into four groups. According to dentin surface treatment, experimental groups were as follows: Group I: Single Bond (3M) according to manufacture instruction, Group II: 10% NaOCl+ Single bond (3M), Group III: Clearfil SE Bond (Kuraray) according to manufacture instruction, and Group IV: Clearfil SE Bond primer. After that, the specimens were immersed in 50% acetone solution for removing extra monomer. Then the specimens were rinsed and dried. 10% NaOCl was applied and finally ADHESIVE was used. Then composite was bonded to the treated surfaces using a 4´2 mm cylindrical plastic mold. Specimens were thermocycled for 500 cycles (5-55oC). A shear load was employed by a universal testing machine with a cross head speed of 1mm/min. The data were analyzed for statistical significance with One-way ANOVA, Two-way ANOVA and Tukey HSD post-hoc tests.Results: The mean shear bond strengths of groups were as follows: Single Bond=16.8±4.2, Clearfil SE Bond=23.7±4.07, Single Bond+NaOCl=10.5±4.34, Clearfil SE Bond+NaOCl=23.3±3.65 MPa. Statistical analysis revealed that using 10% NaOCl significantly decreased the shear bond strength in Single Bond group (P=0.00), but caused no significant difference in the shear bond strength in Clearfil SE Bond group (P=0.99).Conclusion: Based on the results of this study, NaOCl treatment did not improve the bond strength in self-etch ADHESIVE and caused a significant decrease in the bond strength of TOTAL ETCH ADHESIVE system.

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APA: Copy

PISHEVAR, L., MOSAVINASAB, M., JAFARI, M., & OMIDI, K.. (2009). EFFECT OF COLLAGEN FIBRILS REMOVAL ON SHEAR BOND STRENGTH OF TOTAL ETCH AND SELF-ETCH ADHESIVE SYSTEMS. JOURNAL OF DENTAL MEDICINE, 22(3 (60)), 86-92. SID. https://sid.ir/paper/25669/en

Vancouver: Copy

PISHEVAR L., MOSAVINASAB M., JAFARI M., OMIDI K.. EFFECT OF COLLAGEN FIBRILS REMOVAL ON SHEAR BOND STRENGTH OF TOTAL ETCH AND SELF-ETCH ADHESIVE SYSTEMS. JOURNAL OF DENTAL MEDICINE[Internet]. 2009;22(3 (60)):86-92. Available from: https://sid.ir/paper/25669/en

IEEE: Copy

L. PISHEVAR, M. MOSAVINASAB, M. JAFARI, and K. OMIDI, “EFFECT OF COLLAGEN FIBRILS REMOVAL ON SHEAR BOND STRENGTH OF TOTAL ETCH AND SELF-ETCH ADHESIVE SYSTEMS,” JOURNAL OF DENTAL MEDICINE, vol. 22, no. 3 (60), pp. 86–92, 2009, [Online]. Available: https://sid.ir/paper/25669/en

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