Comparative evaluation of shear bond strength of three different bonding agents under dry & moist conditions- an in vitro study
Journal Title: International Journal of Oral Health Dentistry - Year 2016, Vol 2, Issue 4
Abstract
Aim: The aim of the present study was to compare the shear bond strength of self-etch primer and self-adhesive resin cement and to study the effect of adhesion booster on self-adhesive resin cement, under dry and moist condition. Materials and Methods: The 120 teeth were randomly divided into two groups, of 60 each, according to the dry and moist condition (D and M). The two groups of 60 teeth were further subdivided into 4 groups of 15 each, according to the adhesives being used. These were, conventional etch and resin system, (Transbond XT), group D1 & M1; self-etch primer (SEP, 3M) plus Transbond XT adhesive, group D2 & M2; self-adhesive resin cement (Rely-X U200, 3M Unitec), group D3 & M3; and self-adhesive resin cement (Rely-X U200, 3M Unitec) with adhesion booster (Enhance L.C, Reliance), group D4 & M4. The shear bond strength was detected using universal testing machine (INSTRON). Statistical analysis used: T test, one way ANOVA, followed by Post-Hoc test (Post Hoc Analysis, Bonferroni) was used. Results: Under dry and moist condition highest mean shear bond strength, 8.80±4.96 MPa and 7.18±6.15 MPa, was of samples bonded under Group D2. The shear bond strength of Group D4 demonstrates the mean value, which is below clinical significance. Under moist the mean shear bond strength of all the other groups was below clinical significance. Conclusion: Self-adhesive resin cement under moist condition showed the shear bond strength below clinical acceptance. The self-adhesive resin cement when used with adhesion booster also did not improve the shear bond strength, under dry or moist condition. Self-etch primer was least affected by salivary contamination.
Authors and Affiliations
Mahak Kapoor, Maninder S. Sidhu, Mona Prabhakar, Ashish Dabas, Puneet Yadav
Keywords
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