Comparative Effects of Chlorhexidine, Sodium Hypochlorite, and Ethylene Diamine Tetra-Acetic Acid as Root Canal Irrigants on Pushout Bond Strength of Resil Experimental Sealer and AH۲۶ to Root Dentin
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JDMT-11-3_007
تاریخ نمایه سازی: 2 مهر 1401
Abstract:
Introduction: We compared the effects of chlorhexidine (CHX), sodium hypochlorite (NaOCl), and ethylene diamine tetra-acetic acid (EDTA) root canal irrigants on the pushout bond strength of Resil experimental sealer and AH۲۶ to root dentin. Methods: In this in vitro study, ۶۵ teeth were assigned to six groups based on the choice of final irrigant and sealer: (I) CHX and AH۲۶, (II) CHX and Resil, (III) NaOCl and AH۲۶, (IV) NaOCl and Resil, (V) NaOCl plus EDTA and AH۲۶, and (VI) NaOCl plus EDTA and Resil. The teeth were decoronated and underwent chemomechanical preparation. In each group, half of the root canals were filled with AH۲۶ and the other half with Resil plus gutta-percha by the lateral compaction technique. In the control group, the root canals were rinsed with saline and obturated without sealer. The roots were sectioned perpendicular to the longitudinal tooth axis at ۳, ۷, and ۱۱ mm from the apex (apical, middle, and coronal thirds). The pushout bond strength of sealer to root dentin was measured by a universal testing machine and recorded in Newtons (N). Results: AH۲۶ plus CHX, as well as AH۲۶ plus NaOCl and EDTA, yielded the maximum pushout bond strength (P<۰.۰۵). The pushout bond strength in the apical third was higher than that in the middle and coronal thirds. The mean pushout bond strength of both sealers in NaOCl irrigation groups was lower than that in CHX and EDTA plus NaOCl groups. Conclusion: Resil experimental sealer had a lower pushout bond strength than AH۲۶.
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Authors
Saeede Zadsirjan
Department of Endodontic, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Hengameh Ashraf
Department of Endodontic, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Mahshid Kosari
Department of Endodontic, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Mostafa Alizadetalarposhti
School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Sepideh Salimnezhad
Department of Endodontic, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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