Publication: Effect of Trichloroacetic Acid on the Bond Strength of Calcium Silicate-Based Cements: A Modified Push-Out Test
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Date
2021-10-01T00:00:00Z
Authors
Alim, Betül Aycan
Sarıalioğlu Güngör, Ayça
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Abstract
Objective: This study aimed to investigate the effect of trichloroacetic acid (TCA) on the bond strength of calcium silicate-based cements to dentin.
Methods: Ten single-rooted bovine teeth were sectioned longitudinally into slices 2 mm thick. Six holes were drilled with a 1.2 mm diamond bur in each dentin slice (totally 60 holes). Cotton pellets with TCA were applied to three holes of each slice for 1 min, whereas no acid was applied to the other three. The TCA and non-TCA groups were divided into three subgroups according to the material used: ProRoot mineral trioxide aggregate [(MTA); n=10], Harvard MTA (n=10), and Biodentine (n=10). After seven days, the dislodgement resistance of the materials was calculated using a universal resting machine The types of bond failure were examined under a stereomicroscope.
Results: The TCA had no statistically significant effect on the bonding strength of the tested materials (p>0.05). The Harvard MTA subgroup had the lowest mean bond strength values (2.25 +/- 0.79 MPa), while the Biodentine subgroup had the highest (10.49 +/- 3.32MPa). The most common bond failure types were mixed in the ProRoot MTA subgroup (60%) and cohesive in the Harvard MTA (60%) and Biodentine (70%) subgroups.
Conclusion: The bond strength of Biodentine is greater than those of ProRoot and Harvard MTA. TCA does not affect the push-out bond strength of MTA or Biodentine.
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Keywords
Biodentine, calcium silicate-based cements, mineral trioxide aggregate, push-out bond strength, trichloroacetic acid
Citation
Alim B. A. , Sarıalioğlu Güngör A., -Effect of Trichloroacetic Acid on the Bond Strength of Calcium Silicate-Based Cements: A Modified Push-Out Test-, Bezmiâlem Science, cilt.1, ss.1-2, 2021