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ORIGINAL ARTICLE
Year : 2020  |  Volume : 32  |  Issue : 1  |  Page : 14-19

Comparative evaluation of shear bond strength of Biodentine, Endocem mineral trioxide aggregate, and TheraCal LC to resin composite using a universal adhesive: An in vitro study


Department of Conservative Dentistry and Endodontics, Sudha Rustagi College of Dental Sciences and Research, Faridabad, Haryana, India

Correspondence Address:
Meenu Garg Singla
Department of Conservative Dentistry and Endodontics, Sudha Rustagi College of Dental Sciences and Research, Sector 89, Faridabad, Haryana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/endo.endo_7_19

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Introduction: The efficacy of the bond between the restorative materials and the pulp capping materials has an important role in the success of vital pulp therapy. Aims and Objective: This study was conducted to investigate and compare the shear bond strength (SBS) of Biodentine, Endocem mineral trioxide aggregate (MTA), and TheraCal LC to resin composite using a universal adhesive at their respective initial setting time and to identify the specific modes of failure using a stereomicroscope at × 25 magnification. Materials and Methods: A total of 60 acrylic blocks were prepared. Each of the blocks were prepared 20 mm high and 12 mm diameter and had a central hole of 2 mm depth and 5 mm diameter. These acrylic blocks were divided into three groups of 20 samples each based on the liner that is condensed into prepared central hole as Group A – Biodentine, Group B – Endocem MTA, and Group C – TheraCal LC. Composite was then bonded to each sample using universal adhesive. SBS analysis was performed at a cross-head speed of 1 mm/min. Observation and Results: Mean SBS of Group B (Endocem MTA) with composite was found to be significantly lower than that of Group A (Biodentine) with composite which was further significantly lower than that of Group C (TheraCal LC) with composite. Conclusion: This present study concludes that the bond strength of resin-based light-curable TheraCal LC showed clinically acceptable and highest SBS values when used with a universal silane containing adhesive.


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