Keskin G, Uçar GZ, Burak TG

Idioma: Ingles.
Referencias bibliográficas: 45
Paginas: 115-125
Archivo PDF: 802.04 Kb.

RESUMEN

El objetivo del presente estudio fue evaluar la resistencia a la fractura de los dientes restaurados con materiales compuestos convencionales, de relleno y reforzados con fibras, en relación con los dientes intactos. Se prepararon cavidades estándar en 70 dientes de terceros molares sanos. Los dientes se dividieron al azar en seis grupos: dientes intactos, compuesto convencional basado en Bis-GMA, compuesto reforzado con fibra, compuesto de relleno a base de Bis-GMA, compuesto de relleno a base de ormocer, compuesto de relleno a base de vidrio que contiene resina. Los resultados fueron obtenidos utilizando una máquina universal de pruebas y analizados estadísticamente. La resistencia a la fractura de los dientes restaurados con el composite convencional fue significativamente menor que la de los otros grupos (p‹0,05). Los dientes restaurados con un compuesto reforzado con fibra mostraron la mayor resistencia a la fractura; sin embargo, no hubo diferencias estadísticamente significativas entre los dientes intactos y los dientes restaurados con un compuesto reforzado con fibra, un compuesto de relleno a base de Bis-GMA y un compuesto de relleno a base de resina de vidrio (p›0,05). Los datos obtenidos mostraron que la restauración de dientes con composites de relleno y reforzados con fibra podría ser recomendada en cavidades de Clase II.

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