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An In Vitro Evaluation of Effect of Chelating Agents on the Push Out Bond Strength of New Perforation Repair Materials Bio Dentine, Bio Aggregate and Retro MTA | Abstract

Journal of Research in Medical and Dental Science
eISSN No. 2347-2367 pISSN No. 2347-2545

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An In Vitro Evaluation of Effect of Chelating Agents on the Push Out Bond Strength of New Perforation Repair Materials Bio Dentine, Bio Aggregate and Retro MTA

Author(s): Vandana Gade*, Aparajita Gangrade, Nitin Jogad, Leena Bhede, Deepa Thakur and Kalyani Umale

Abstract

Perforation repair should be done prior to completion of endodontic therapy which leads to contact of irrigants and cheating agents with repair material. Aim: To evaluate the effect of 17% EDTA and 10% Citric Acid on the bond strength of Biodentine, BioAggregate and Retro MTA. Materials and Methods: 120 dentine slices of 2-mm thickness were prepared with lumen 1.3mm. Divided into 3 groups, Biodentine, BioAggregate and Retro MTA were placed in the respective samples Each group divided into 4 subgroups (n=10) Control, saline,17% EDTA, 10% Citric Acid. Immersion was done for 30 minutes, followed by incubation for 48 hours. The samples were then tested for compressive strength through a push out test. Data were analyzed statistically using ANNOVA and Tukey’s post-hoc test. The significant level was present to P=0.05. Results: EDTA and Citric Acid negatively influenced the pushout bond strength of all repair materials. The bond strength of BioAggregate is much less as compared to Biodentine, and RetroMTA. Conclusion: decalcifying agents have a negative impact on the bond strength of all root repair materials.

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