Evaluación de tres cementos de resina en la producción de artefactos de tomografía computarizada de haz cónico en dientes con postes de fibra de vidrio

Autores/as

DOI:

https://doi.org/10.33448/rsd-v11i6.28770

Palabras clave:

Artefactos; Tomografía Computarizada de Haz Cónico; Toma de decisiones clínicas; Cementos de resina.

Resumen

El presente estudio analizó la presencia de artefactos en dientes tratados endodónticamente restaurados con postes de fibra de vidrio (PFV) cementados con cementos de resina diferentes mediante tomografía computarizada de haz cónico (TCHC) para evaluar la relación contraste-ruido (RCR). Se seleccionaron un total de 60 premolares inferiores para realizar los fantomas con el fin de simular una situación clínica. Los dientes fueron asignados en 6 grupos, en los cuales los grupos G1, G2 y G3 fueron dientes tratados endodónticamente, restaurados con PFV y cementados con cementos de resina Nexus 3, Duo-Link y Allcem Core, respectivamente; G4: dientes tratados endodónticamente restaurados con PFV; G5: dientes tratados solo endodónticamente; y G6: dientes sanos. Se analizaron los valores medios de la escala de grises en las imágenes axiales de los tercios cervical, medio y apical de la longitud del poste. El análisis RCR se realizó en todos los grupos excepto G5 y G6. Hubo diferencia estadísticamente significativa en los valores medios de la región del tercio medio en relación a los grupos analizados (p=0,026). Sin embargo, se observaron artefactos en todos los grupos estudiados. La diferencia estadística observada entre los tercios cervical y apical cuando los grupos fueron evaluados juntos no caracterizó la ausencia de artefactos entre los cementos de resina, incluso cuando solo estaba presente el PFV. En consecuencia, la elección de un cemento de resina puede basarse en la facilidad de manejo, mejor tiempo de trabajo, rentabilidad, modos de activación, condiciones del sustrato y aspectos clínicos. En resumen, la calidad de la imagen se vio comprometida por artefactos en presencia de PFV a través de TCHC con o sin cementos de resina en el conducto radicular.

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Publicado

25/04/2022

Cómo citar

MENDONÇA, L. S. de .; COSTA, L. M. .; ARRUDA, J. A. A. de .; SOBRAL, A. P. V. .; PONTUAL, M. L. dos A. .; SILVEIRA, M. M. F. da . Evaluación de tres cementos de resina en la producción de artefactos de tomografía computarizada de haz cónico en dientes con postes de fibra de vidrio. Research, Society and Development, [S. l.], v. 11, n. 6, p. e22411628770, 2022. DOI: 10.33448/rsd-v11i6.28770. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/28770. Acesso em: 22 nov. 2024.

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Ciencias de la salud