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Evaluación de la eficacia de Protaper, HERO SHAPER GOLD, retratamiento ProTaper Universal y R-Endo, para eliminar gutapercha y sellador AH plus de los conductos radiculares.
Resumen
El propósito del presente estudio es evaluar la eficacia de cuatro limas rotatorias NiTi diferentes: limas ProTaper, limas HERO SHAPER GOLD, limas de retratamiento ProTaper Universal y limas R-Endo para remover GP y sellador de conductos radiculares con o sin el uso de irrigación ultrasónica pasiva utilizando la lima Irrisafe bajo DOMS. Se hipotetizo de que el uso de PUI podría resultar en una mejor limpieza de los conductos radiculares después de la instrumentación para la remoción de GP y sellador. Las muestras del estudio comprendieron 100 dientes anteriores maxilares humanos nirradiculares extraídos y se recolectaron del Departamento de Cirugía Oral y Maxilofacial, G. Pulla Reddy Dental College & Hospital, Kurnool. La prueba t muestra que hubo una diferencia estadísticamente significativa entre los subgrupos individuales de los Grupos I, II y IV (p <0,05). No se observaron diferencias estadísticamente significativas entre los subgrupos del Grupo III (p >0,05), pero el porcentaje de GP y sellador remanente en los conductos radiculares tras el retratamiento fue comparativamente mayor en el Subgrupo A que en el Subgrupo B. En conclusión, todas las limas de retratamiento dejaron cierta cantidad de GP y sellador en los conductos radiculares, sin que se observaran diferencias significativas entre ellas. Sin embargo, R-Endo es mejor tras el uso del sistema de retratamiento ProTaper Universal, las limas Protaper y las limas HERO SHAPER GOLD. El uso posterior de irrigación ultrasónica pasiva con una lima Irrisafe resultó en una mejor limpieza de la pared del conducto radicular tras el retratamiento.
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