Effect of Final Irrigation Protocol on Push-Out Bond Strength of Bioceramic and Resin-Based Root Canal Sealers: An In-Vitro Study

Author(s)	Prof. Dr. Krishna Prasada L, Dr. Tanuja Venkat
Country	India
Abstract	Background: The success of endodontic treatment depends on effective obturation and the adhesion between root canal sealers and dentin. Final irrigation protocols influence dentin surface characteristics and bonding. Aim: To evaluate and compare push-out bond strength of bioceramic and resin-based sealers following different final irrigation protocols. Materials and Methods: Twenty-four extracted single-rooted premolars were standardized to 14 mm and instrumented up to size 25/.06. Samples were divided into four groups (n=6): Group I – EDTA + Resin, Group II – EDTA + Bioceramic, Group III – EDTA + HEDP + Resin, Group IV – EDTA + HEDP + Bioceramic. Push-out bond strength was tested using a universal testing machine. Data were analyzed using one-way ANOVA and Tukey post hoc test (p<0.05). Results: Bioceramic sealers showed significantly higher bond strength than resin-based sealers. EDTA + HEDP significantly enhanced bond strength. Conclusion: Final irrigation protocol plays a crucial role in sealer adhesion. HEDP improves bonding, particularly with bioceramic sealers.
Keywords	Bioceramic sealer, HEDP, EDTA, Push-out bond strength, Endodontics
Field	Medical / Pharmacy
Published In	Volume 8, Issue 3, May-June 2026
Published On	2026-05-14
DOI	https://doi.org/10.36948/ijfmr.2026.v08i03.78522

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