PubMed چکیده/رکورد

Comparative Efficacy of Rotary Versus Ultrasonic Supplementary Protocols for Bioceramic and Epoxy Resin Sealer Removal: A Micro-CT in Vitro Study.

Verónica-Méndez González, Rodrigo Vargas López, Amaury Pozos-Guillén, Karla Navarrete-Olvera, Mariana Gutiérrez-Sánchez, Dante Arteaga-Martínez, Arturo Garrocho-Rangel• 2026• European endodontic journal

استودیوی صوتی مقاله

پخش حرفه‌ای فارسی و انگلیسی

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چکیده اصلی

This study aimed to compare the efficacy of 2 retreatment protocols - SClean® file and R1 ClearSonic™ ultrasonic tip - in removing bioceramic (EndoSequence BC Sealer®, CeraSeal®, Kerr®) and epoxy resin-based (AH Plus®) sealers using micro‑CT analysis. One hundred and four extracted single-rooted teeth were divided into 8 groups according to sealer type and cleaning protocol. Residual sealer volume, surface area, and apical permeability were analysed using Mann-Whitney U and Kruskal-Wallis tests (α=0.05). No technique achieved complete removal, with the highest residue in the apical third. SClean® was more effective on bioceramic sealers (P < .05), while R1 ClearSonic™ showed no significant inter-sealer differences. Apical permeability recovery was greatest with bioceramic sealers, reaching 100% for EndoSequence BC Sealer®. In conclusion, bioceramic sealers are more easily eliminated than epoxy resin-based sealers, though complete removal - particularly apically - remains difficult.

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کلیدواژه‌ها

Micro-CTapical permeabilitybioceramic sealersmicro-computed tomographynon-surgical endodontic retreatment

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