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Cites:

1

Information Journal Paper

Title

EFFECT OF SMEAR LAYER ON THE PUSH-OUT BOND STRENGTH OF TWO ENDODONTIC BIOMATERIALS TO RADICULAR DENTIN

Pages

  41-44

Abstract

 Introduction: This in vitro study was designed to evaluate the effect of SMEAR LAYER removal on PUSH-OUT BOND STRENGTH of white MINERAL TRIOXIDE AGGREGATE (WMTA) and calciumenriched mixture cement (CEM). Materials and Methods: Dentin discs with 3 mm thicknesses were divided into 4 groups (n=15): group 1: irrigation of the canal with normal saline and filling with WMTA; group 2: irrigation with sodium hypochlorite (NaOCl) and ethylenediaminetetraacetic acid (EDTA), and then filling with WMTA; group 3: same as group 1 but the lumens were filled with CEM; group 4: same as group 2 but the lumens filled with CEM. The samples were incubated at 37oC for 3 days after wrapping in gauze pieces moistened with distilled water. The PUSH-OUT BOND STRENGTHs were then measured by the universal testing machine and the failure modes were examined under a stereomicroscope at 40× magnification. Data were analyzed using two-way ANOVA and post-hoc Tukey’s test for bond strength. Statistical significance was set at P<0.05.Results: The greatest and lowest mean standard deviation for PUSH-OUT BOND STRENGTH were observed for groups 4 (3.13±1.46 MPa) and group3 (1.44±0.96 MPa), respectively. The effect of SMEAR LAYER removal on pushout bond strength of CEM was significant (P=0.01), however, it was not significant for WMTA (P=0.52). The failure mode for all the groups was of mixed type.Conclusion: Under the limitations of this study, SMEAR LAYER removal is recommended for CEM in order to gain higher push-out strength.

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    APA: Copy

    LOTFI, MEHRDAD, GHASEMI, NEGIN, RAHIMI, SAEED, BAHARI, MAHMOOD, VOSOUGH HOSSEINI, SEPIDEH, SAGHIRI, MOHAMMAD ALI, & ZAND, VAHID. (2014). EFFECT OF SMEAR LAYER ON THE PUSH-OUT BOND STRENGTH OF TWO ENDODONTIC BIOMATERIALS TO RADICULAR DENTIN. IRANIAN ENDODONTIC JOURNAL (IEJ), 9(1), 41-44. SID. https://sid.ir/paper/302808/en

    Vancouver: Copy

    LOTFI MEHRDAD, GHASEMI NEGIN, RAHIMI SAEED, BAHARI MAHMOOD, VOSOUGH HOSSEINI SEPIDEH, SAGHIRI MOHAMMAD ALI, ZAND VAHID. EFFECT OF SMEAR LAYER ON THE PUSH-OUT BOND STRENGTH OF TWO ENDODONTIC BIOMATERIALS TO RADICULAR DENTIN. IRANIAN ENDODONTIC JOURNAL (IEJ)[Internet]. 2014;9(1):41-44. Available from: https://sid.ir/paper/302808/en

    IEEE: Copy

    MEHRDAD LOTFI, NEGIN GHASEMI, SAEED RAHIMI, MAHMOOD BAHARI, SEPIDEH VOSOUGH HOSSEINI, MOHAMMAD ALI SAGHIRI, and VAHID ZAND, “EFFECT OF SMEAR LAYER ON THE PUSH-OUT BOND STRENGTH OF TWO ENDODONTIC BIOMATERIALS TO RADICULAR DENTIN,” IRANIAN ENDODONTIC JOURNAL (IEJ), vol. 9, no. 1, pp. 41–44, 2014, [Online]. Available: https://sid.ir/paper/302808/en

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