The Effect of Final Irrigation Protocols on the Apical Sealing Ability of Epoxy Resin-based and Bioceramic-based Root Canal Sealers

Authors

  • Anan Medhat Department of Endodontics, Faculty of Dentistry, Ahram Canadian University, 6th of October City, Egypt https://orcid.org/0000-0001-9500-2217
  • Angie Ghoneim Department of Endodontics, Faculty of Dentistry, Cairo University, Giza, Egypt
  • Nehal Nabil Roshdy Department of Endodontics, Faculty of Dentistry, Cairo University, Giza, Egypt

DOI:

https://doi.org/10.3889/oamjms.2022.10864

Keywords:

Bioceramic, AH plus, Chitosan nanoparticles, EDTA, Sealing ability

Abstract

Aim: This study was designed to investigate the effect of different final irrigation protocols on the apical sealing ability of bioceramic and epoxy resin-based sealers.

Materials and methods: Thirty human single-rooted mandibular premolars were instrumented using ProTaper Next rotary files. Teeth were randomly divided into three groups according to the final irrigation regimen; Group I: 5 ml 0.2% CNPs/3 min, Group II: 2.5 ml 0.2% CNPs/1.5 min followed by 2.5 ml 17% EDTA/1.5 min, and Group III: 5 ml 17% EDTA/3min. All groups were subdivided into two subgroups based on the obturation material; Subgroup A: gutta-percha/Sure-Seal Root BC Sealer and Subgroup B: gutta-percha/AH Plus. All canals were obturated using single cone obturation technique. The apical sealing ability was assessed using modified silver staining technique with ammoniacal silver nitrate tracer solution. Samples were sectioned longitudinally and examined using scanning electron microscope.

Results: Sure-Seal Root BC sealer showed significantly lower nanoleakage compared to AH Plus (p < 0.001). No significant difference was recorded in the nanoleakage of Sure-Seal Root BC sealer among the three groups (p = 0.284), while AH Plus showed a significantly higher nanoleakage in the EDTA group (p = 0.002). The depth of silver nitrate penetration into the dentinal tubules was significantly higher in AH Plus subgroup with the three different irrigation protocols (p < 0.001). For both sealers, the highest penetration depth for silver nitrate tracer solution was recorded in the EDTA group (p < 0.001).

Conclusions: The apical sealing ability of bioceramic sealers is better than that of epoxy resin-based sealers. The type of the final irrigating solution seems to affect the post-obturation seal of both AH Plus and Sure-Seal Root BC sealer.

Keywords: Bioceramic, AH Plus, Chitosan nanoparticles, EDTA, Sealing ability.

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Author Biographies

Anan Medhat, Department of Endodontics, Faculty of Dentistry, Ahram Canadian University, 6th of October City, Egypt

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Angie Ghoneim, Department of Endodontics, Faculty of Dentistry, Cairo University, Giza, Egypt

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Nehal Nabil Roshdy, Department of Endodontics, Faculty of Dentistry, Cairo University, Giza, Egypt

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Published

2022-12-17

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1.
Medhat A, Ghoneim A, Nabil Roshdy N. The Effect of Final Irrigation Protocols on the Apical Sealing Ability of Epoxy Resin-based and Bioceramic-based Root Canal Sealers. Open Access Maced J Med Sci [Internet]. 2022 Dec. 17 [cited 2024 Mar. 28];10(D):458-64. Available from: https://oamjms.eu/index.php/mjms/article/view/10864

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Dental Pathology and Endodontics

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