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Year : 2012  |  Volume : 1  |  Issue : 4  |  Page : 249-252

Evaluation of the shear bond strength of fiber-reinforced composite using different adhesive systems

1 Department of Orthodontics, Institute of Dental Science, Bareilly, UP, India
2 Department of Periodontics, Institute of Dental Science, Bareilly, UP, India

Correspondence Address:
P S Raju
Department of Orthodontics, Institute of Dental Sciences, Bareilly
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2277-8632.105117

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Introduction: The purpose of the study was to evaluate the effect of 3 adhesive systems on the shear bond strength of a fiber-reinforced composite (FRC). Materials and Method: Sixty extracted premolars were randomly divided into 3 groups (each containing 20 specimens). The FRCs (Splint - it, Jeneric/Pentron) were bonded to the teeth with 3 adhesive systems Transbond XT (Unitek/3M), Tetric Flow (Ivoclar-Vivadent), and Filtek Supreme (3M ESPE). All the samples were stored in distilled water at room temperature for 24 hours and subsequently tested for shear bond strength (SBS). Analysis of variance and the Sheffe post-hoc tests were used at a significant level of P < .05. Results: Analysis of variance indicated significant differences among the various groups. Fibers bonded with Transbond XT demonstrated significantly higher shear bond strength than the other 2 groups. Filtek Flow showed significantly higher shear bond strength values than Tetric Flow and lower than Transbond XT. No significant differences in debonded locations (ARI scores) were found among the groups. Conclusion: Transbond XT can successfully be used for direct bonding of FRC, thus improving their shear bond strength.

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