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ORIGINAL ARTICLE
Year : 2016  |  Volume : 8  |  Issue : 4  |  Page : 221-225

Influence of different types of co-solvents on the bonding abilities of one step self-etching adhesives: An Ex vivo Study


1 Department of Conservative Dentistry and Endodontics, BRS Dental College and Hospital, Panchkula, Haryana, India
2 Department of Prosthodontics, BRS Dental College and Hospital, Panchkula, Haryana, India

Correspondence Address:
Suruchi Chaudhary
H. No. 2001, Sector-21, Panchkula, Haryana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0976-4003.196818

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Aim: To evaluate the tensile bond strength of three one step self-etch adhesives: Adper easy Bond, G-Bond, Tetric N bond self etch to dentin which contained ethanol and water, acetone and water and only water as a solvent respectively. Materials and Methods: Freshly extracted intact sixty permanent molars were collected for the study. To standardize the depth of cavity, 1.5 mm hole was drilled in the deepest part of the central fossa. All the teeth were ground and polished to expose the flat dentinal surface. All the teeth were embedded in the autopolymerising acrylic resin in separate moulds and were divided into three equal groups of twenty teeth each. Group 1: Twenty samples restored with composite and Adper easy one as bonding agent. Group 2: Twenty samples restored with composite and G-Bond as bonding agent. Group 3: Twenty samples restored with composite and Tetric N Bond as bonding agent. A wire loop was placed over the predesigned locationin the composite held with the split brass mold. Tensile loading was done using UTM and statistical analysis was done using one step ANOVA and Tukey's HSD test. Results: The mean bond strengths of ethanol containing, acetone containing and water containing adhesives were 12.57 MPa, 10.16 MPa and 11.46 MPa. Conclusion: Comparison of contemporary adhesives in this ex-vivo study revealed that in self-etch adhesives, the type of solvent may be one of the factors that affects the bond strength. The adhesives containing ethanol based solvent showed better bonding than acetone and water based self etch adhesives.


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