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Title

SHEAR BOND STRENGTH OF THREE ADHESIVE SYSTEMS TO ENAMEL AND DENTIN OF PERMANENT TEETH

Pages

  202-210

Abstract

 Background and Aims: The purpose of this experimental study was to investigate the SHEAR BOND STRENGTH of three new ADHESIVE systems to enamel and dentin of permanent human teeth using three new etch and rinse and SELF-ETCH ADHESIVE systems.Materials and Methods: Sixty intact caries-free third molars were selected and randomly divided into 6 groups.Flat buccal and lingual enamel and dentin surfaces were prepared and mounted in the acrylic resin perpendicular to the plan of the horizon. ADHESIVEs used in this study were Tetric N-Bond, AdheSE and AdheSE-One F (Ivoclar/Vivadent, Schaan, Liechtenstein). The ADHESIVEs were applied on the surfaces and cured with quartz tungsten halogen curing unit (600 mW/cm2 intensity) for 20 s. After attaching composite to the surfaces and thermocycling (500 cycles, 5-55ºC), SHEAR BOND STRENGTH was measured using a universal testing machine at a crosshead speed of 0.5 mm/min. The failure modes were examined under a stereomicroscope. The data were statistically analyzed using T-test, one-way ANOVA, Tukey and Fisher's exact tests.Results: In enamel, Tetric N-Bond (28.57±4.58 MPa) and AdheSE (21.97±7.6 MPa) had significantly higher bond strength than AdheSE-One F (7.16±2.09 MPa) (P<0.001). Tetric N-Bond had higher bond strength than AdheSE but there was not any significant difference between them (P=0.093). In dentin, there were significantly differences among all ADHESIVEs (P<0.001). Tetric N-Bond (20.62±3.03 MPa) showed the highest and AdheSEOne F (6.54±1.13 MPa) had the lowest value. The bond strength in enamel was higher than that observed in dentin and the difference was significant in Tetric N-Bond (P=0.044) and AdheSE (P<0.001) groups. There were no significant differences in the mode of failures among groups (P>0.05).Conclusion: SHEAR BOND STRENGTH to dentin in Tetric N-Bond (etch and rinse system) was higher than SELF-ETCH ADHESIVEs (AdheSE and AdheSE-One F). The bond strength to enamel and dentin in two-step SELF-ETCH (AdheSE) was higher than one-step SELF-ETCH (AdheSE-One F).

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    APA: Copy

    SHADMAN, NILOUFAR, FARZIN EBRAHIMI, SHAHRAM, ABRISHAMI, AREZO, & SATTARI, HASTY. (2012). SHEAR BOND STRENGTH OF THREE ADHESIVE SYSTEMS TO ENAMEL AND DENTIN OF PERMANENT TEETH. JOURNAL OF DENTAL MEDICINE, 25(3 (72)), 202-210. SID. https://sid.ir/paper/25710/en

    Vancouver: Copy

    SHADMAN NILOUFAR, FARZIN EBRAHIMI SHAHRAM, ABRISHAMI AREZO, SATTARI HASTY. SHEAR BOND STRENGTH OF THREE ADHESIVE SYSTEMS TO ENAMEL AND DENTIN OF PERMANENT TEETH. JOURNAL OF DENTAL MEDICINE[Internet]. 2012;25(3 (72)):202-210. Available from: https://sid.ir/paper/25710/en

    IEEE: Copy

    NILOUFAR SHADMAN, SHAHRAM FARZIN EBRAHIMI, AREZO ABRISHAMI, and HASTY SATTARI, “SHEAR BOND STRENGTH OF THREE ADHESIVE SYSTEMS TO ENAMEL AND DENTIN OF PERMANENT TEETH,” JOURNAL OF DENTAL MEDICINE, vol. 25, no. 3 (72), pp. 202–210, 2012, [Online]. Available: https://sid.ir/paper/25710/en

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