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In Vitro Comparison of Pushout Bond Strength of Proroot Mta, Biodentine and Theraca Publisher



Dabbagh NK1 ; Esnaashari E2 ; Bakhtiar H2 ; Nekoofar MH3 ; Ghezelsofla M4
Authors
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Authors Affiliations
  1. 1. Department of restorative dentistry, School of dentistry, Shahid Beheshti University of medical sciences, Tehran, Iran
  2. 2. Department of Endodontics, Dental Material Research Center, Faculty of Dentistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
  3. 3. School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Tissue Engineering, Central tehran Branch, Islamic Azad University, Tehran, Iran

Source: Journal of Clinical and Experimental Dentistry Published:2021


Abstract

Background: One Problem Encountered In Vital Pulp Therapy Is The Dislodgment Of Biomaterial As The Result Of The Application Of Mechanical Condensation Forces For The Final Restoration Of The Cavity Or Occlusal Loads. Material And Methods: In This In Vitro, Experimental Study, 90 Dentin Discs Were Prepared With Gates Glidden Drills To Have A 1.3 Mm Canal Diameter. The Specimens Were Divided Into Nine Groups (N=10). Proroot Mta, Biodentine, And Theracal Were Applied In Groups 1-3, 4-6, And 7-9, Respectively. The Pbs Was Measured After 15 Minutes, Four Hours, And Three Days And Mode Of Failure Was Determined. Results: The Interaction Effect Of Time And Material On Pbs Was Statistically Significant (P<0.003). The Pbs Of Biodentine And Proroot Mta Significantly Increased Over Time (P=0.000). At 15 Minutes And Four Hours, The Pbs Of Theracal Was Higher Than That Of Biodentine And Proroot Mta (P=0.000). Our Results Showed The Predominant Type Of Bond Failures In Biodentine And Theracal Groups Was Cohesive, Whereas It Was Adhesive For Prorootmta. Conclusions: Theracal Showed Higher Values Of Bond Strength Than Biodentine And Prorootmta At 15 Minutes & Four Hours And May Thus Be Better Options For Single Session Of Vpt © 2021,Journal of Clinical and Experimental Dentistry.All Rights Reserved
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