Ultrastructure of intraradicular dentin after irrigation with BioPure MTAD. II. The consequence of obturation with an epoxy resin-based sealer.
J Endod
; 32(5): 473-7, 2006 May.
Article
en En
| MEDLINE
| ID: mdl-16631852
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.
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Base de datos:
MEDLINE
Asunto principal:
Materiales de Obturación del Conducto Radicular
/
Irrigantes del Conducto Radicular
/
Desmineralización Dental
/
Dentina
/
Permeabilidad de la Dentina
Idioma:
En
Revista:
J Endod
Año:
2006
Tipo del documento:
Article