Ultrastructure of intraradicular dentin after irrigation with BioPure MTAD. II. The consequence of obturation with an epoxy resin-based sealer

Journal of Endodontics
Franklin R TayDanny C Y Low

Abstract

In addition to an initial report on the creation of thick demineralized collagen matrices in root dentin that were irrigated with BioPure MTAD or EDTA as final rinses for 5 minutes, this study examined the effect of a 2-minute irrigation time of these final irrigants on the extent of demineralization of intact intraradicular dentin and on interfacial nanoleakage after obturation with AH Plus and gutta-percha using warm vertical compaction. Transmission electron microscopy confirmed that the reduction in irrigation time did not compromise the smear layer removing capacity of these two irrigants when 1.3% NaOCl was employed as the initial rinse. BioPure MTAD created 5 to 6 microm thick demineralized dentin matrices, while 17% EDTA produced 1 to 2 microm thick matrices that were suboptimally infiltrated by the epoxy resin-based sealer, as manifested by the occurrence of silver tracer deposits within the hybrid layers.

References

Sep 1, 1992·The Journal of the American Dental Association·J Kanca
Jan 1, 1986·Journal of Endodontics·W A KennedyR W Gough
Jun 23, 2000·Dental Materials : Official Publication of the Academy of Dental Materials·C PratiD H Pashley
Dec 5, 2002·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Mahmoud TorabinejadLeif K Bakland
Feb 28, 2006·Journal of Endodontics·Franklin R TayNigel M King

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Citations

Jan 16, 2016·Journal of Endodontics·Emel UzunogluMelahat Görduysus
Apr 7, 2009·Journal of Endodontics·Ahmed Abdel Rahman HashemManar Y Fouda
Mar 25, 2008·Journal of Endodontics·Gustavo De-DeusRivail Antonio Sergio Fidel
Jun 24, 2006·Journal of Endodontics·Steven R ArmstrongDavid H Pashley
Jun 5, 2016·Dental Materials : Official Publication of the Academy of Dental Materials·Anil KishenCynthia Goh
Sep 14, 2011·Journal of Dental Research·A ShresthaA Kishen
Feb 21, 2019·Microscopy Research and Technique·Dajana Nogo-ŽivanovićIrena Tanasković

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