Artículo
Effect of the Nd:YAG laser on sealer penetration into root canal surfaces: a confocal microscope analysis
Autor/es | Montero Miralles, Paloma
Castillo-Oyagüe, Raquel Saéz de la Fuente, Isabel Lynch, Christopher D. Castillo-Dalí, Gabriel Torres-Lagares, Daniel |
Departamento | Universidad de Sevilla. Departamento de Estomatología |
Fecha de publicación | 2014 |
Fecha de depósito | 2021-03-17 |
Publicado en |
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Resumen | Objectives: The objective of this in vitro study was to evaluate the use of the
Neodymium:Yttrium-Aluminium-Garnet (Nd:YAG) laser as part of the root canal treatment on the penetration of sealer into dentinal tubules. ... Objectives: The objective of this in vitro study was to evaluate the use of the Neodymium:Yttrium-Aluminium-Garnet (Nd:YAG) laser as part of the root canal treatment on the penetration of sealer into dentinal tubules. Methods: Eighty extracted lower premolars were randomly assigned to two groups (n = 40 each): Control group (CG), subjected to a conventional protocol of endodontic instrumentation and obturation; and Laser group (LG), in which Nd:YAG laser irradiations were combined with conventional preparation and obturation. Endodonted samples were sectioned at 3 and 5 mm from the apex and observed under a confocal scanning microscope (CLSM). The penetration depth into the dentinal tubules and the extension of the intracanal perimeter infiltrated by sealer were measured. The Student-Newman Keuls test was run for between-group comparisons (α=.05). Results: The depth of sealer penetration into dentinal tubules did not differ among groups. LG samples showed the significantly highest percentage of penetrated perimeter at 3 mm from the root apex. Within each group, the greatest depth of penetration (P=.0001), and the major percentage of penetrated perimeter (P <.001), were recorded at 5 mm. Conclusions: The application of the Nd:YAG laser after instrumentation did not improve the depth of sealer penetration into the dentinal tubules. The laser enlarged the total penetrable perimeter near the apex |
Cita | Montero Miralles, P., Castillo-Oyagüe, R., Saéz de la Fuente, I., Lynch, C.D., Castillo-Dalí, G. y Torres-Lagares, D. (2014). Effect of the Nd:YAG laser on sealer penetration into root canal surfaces: a confocal microscope analysis. Journal of Dentistry, 42 (6), 753-759. |
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