ArticleJournal of conservative dentistry and endodontics2026
Effect of different irrigation regimen on sealability and push-out bond strength of biodentine when used for repair of furcal perforation in mandibular permanent molars: An
Article in Journal of conservative dentistry and endodontics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Aim: To evaluate the influence of different irrigation regimens on the sealability and push-out bond strength of Biodentin used for furcal perforation repair in mandibular molars. Materials and Methods: Fifty-six extracted human mandibular molars with standardized 1.6 mm furcal perforations were divided into seven groups according to the irrigation protocol: (1) 1% sodium hypochlorite (NaOCl) +17% ethylenediaminetetraacetic acid (EDTA), (2) 1% NaOCl + 7% maleic acid, (3) 1% NaOCl + 9% HEDP, (4) 2% chlorhexidine (CHX) +17% EDTA, (5) 2% CHX + 7% Maleic Acid, (6) 2% CHX + 9% HEDP, and (7) saline (control). Biodentin was placed to seal the perforation and allowed to set for 24 h. Pushout bond strength was measured using a universal testing machine, and marginal sealability was analyzed under the scanning electron microscopy. Statistical analysis was performed using the one-way analysis of variance and post hoc Tukey tests. Results: Group 3 (1% NaOCl + 9% HEDP) showed the highest bond strength (31.33 ± 25.89 MPa) and the least marginal gap (1.28 ± 0.45 μm), indicating superior adhesion and sealing. Conclusion: The irrigation regimen of 1% NaOCl combined with 9% HEDP enhances Biodentin's bonding and sealing ability in furcal perforation repair, suggesting its clinical advantage over other protocols.
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