Resistencia a la fractura de dientes tratados endodónticamente y restaurados con diferentes postes de fibra en diferentes diâmetros

Autores/as

DOI:

https://doi.org/10.33448/rsd-v11i7.30169

Palabras clave:

Diente no Vital; Técnica de Perno Muñón; Restauración Dental Permanente; Fuerza Compresiva; Fracturas de los dientes.

Resumen

Objetivo: El objetivo de este estudio in vitro fue evaluar la resistencia a la fractura de dientes tratados endodónticamente restaurados con diferentes postes intrarradiculares (fibra de carbono, vidrio o cuarzo) con diferentes diámetros de poste (estrecho, mediano o grande). Metodología: Ciento veinte incisivos bovinos fueron tratados endodónticamente y se preparó el espacio del poste. Los dientes se clasificaron según distintos diámetros post espacio [Estrecho (0,91-1,49 mm), Medio (1,5-2,08 mm), Grande (2,09 mm-2,67 mm)] y asignados aleatoriamente a cuatro tratamientos restauradores: control (CO) - sin correo; y postes de fibra de vidrio (GF), carbono (CF) o cuarzo (QF). Los postes se cementaron con cemento de resina de curado dual (Duo Link, Bisco, Schaumburg, Estados Unidos) y la porción coronaria se reconstruyó con composite de resina de curado dual (Bis-Core, Bisco, Schaumburg, Estados Unidos). Los valores de resistencia a la fractura (N) se analizaron mediante ANOVA de dos vías y prueba de Bonferroni (α=0.05) Resultados: El poste de fibra de carbono (CF) tuvo un comportamiento mecánico similar a los demás postes evaluados, independientemente del diámetro. El grupo control (sin poste) presentó los mayores valores de resistencia a la fractura (1013,8 - 1127,2 N) en relación a los grupos con los diferentes postes evaluados (236,1 - 615,1 N). Dentro del mismo material, el diámetro influyó en la resistencia a la fractura únicamente del poste de fibra de cuarzo, con los valores más altos para el diámetro grande. Conclusión: A mayor diámetro solo se obtiene mayor resistencia a la fractura para QF; Los postes CF tienen una resistencia similar a otros postes, independientemente del diámetro; y para diámetro grande, el tipo de poste utilizado no difiere en la resistencia a la fractura.

Citas

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Publicado

04/06/2022

Cómo citar

MATOS, L. M. R. de; SILVA, M. L. .; CORDEIRO, T. O. .; LIMA, D. M. .; SOUZA, E. M. .; SILVA, A. M. .; SERAIDARIAN, P. I. Resistencia a la fractura de dientes tratados endodónticamente y restaurados con diferentes postes de fibra en diferentes diâmetros. Research, Society and Development, [S. l.], v. 11, n. 7, p. e56111730169, 2022. DOI: 10.33448/rsd-v11i7.30169. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/30169. Acesso em: 23 nov. 2024.

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Sección

Ciencias de la salud