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Aim: To evaluate the effect of calcium hydroxide (CH) and triple antibiotic paste (TAP) on the push-out bond strength of ProRoot® MTA and Biodentine®. Methodology: Root canals of 120 human teeth were instrumented using rotary files. To obtain a standard diameter of 1.5 mm, the roots were instrumented with a #6 Peeso reamer. The reamers passed 1 mm beyond the apex point to simulate open apices. The roots were randomly assigned into the following groups: Group 1 was administered calcium hydroxide (CH); Group 2 was administered triple antibiotic paste (TAP); and Group 3 was a control group and had no medicament. The medicaments were removed after 3 weeks. Thereafter, the specimens were divided into two subgroups (n = 20) according to which calcium silicate-based cement, ProRoot MTA (Dentsply Maillefer, Ballaigues, Switzerland) or Biodentine (Septodont, France), was applied. The push-out test was performed, and the data were analyzed statistically using one-way ANOVA and by Tukey’s post hoc test. Results: In both the ProRoot MTA and Biodentine groups, pairwise comparisons between medicaments showed similar values to the control group (p>0.05). Overall, there was a predominance of cohesive failures between root dentin and the cements. Conclusions: ProRoot MTA and Biodentine showed similar bond strength values, and prior application of TAP or CH did not affect the bond strength significantly.   How to cite this article: Tulumbaci F, Erkmen Almaz M, Arikan V, Mutluay MS. Evaluation of the push-out bond strength of ProRoot MTA and Biodentine after removal of Calcium Hydroxide and Triple Antibiotic Paste. Int Dent Res 2018;8(2):50-5.   Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

Evaluation of the Push-out Bond Strength of ProRoot MTA and Bio-dentine After Removal of Calcium Hydroxide and Triple Antibiotic Paste