Ross D, Filloy ECE, Ramírez-Barrantes JC

Idioma: Español
Referencias bibliográficas: 31
Paginas: 47-59
Archivo PDF: 389.01 Kb.

RESUMEN

Actualmente existe controversia en la literatura acerca de la efectividad clínica y adhesiva con respecto a los sistemas adhesivos de refuerzo radicular. Así, el objetivo de este estudio fue evaluar la resistencia de unión mediante la prueba de Push-Out entre el sistema de postes Rebilda^® y la dentina intraradicular. Para esto, se utilizaron 28 dientes unirradiculares, que fueron cortados y padronizados en 16 mm. Los segmentos radiculares fueron sometidos a confección de tratamiento endodóntico; posteriormente, se dividieron aleatoriamente en dos grupos, Grupo 1 (n=14): Rebilda^® DC+Futurabond DC; Grupo 2 (n=14): RelyX ARC+Adper Scothbond Multipropósito Plus. Seguidamente, diez especímenes de cada grupo se cortaron para ser sometidos al Test de Push-Out. Los restantes 4 especímenes de cada grupo se prepararon para Microscopia Electronica de Barrido con el fin de evaluar la formación de prolongaciones resinosas en la interface poste-cemento-dentina. El grupo 2 obtuvo mejores resultados al compararlo al Grupo 1 en cuanto a resistencia de unión y en formación de prolongaciones resinosas, pero no hubo diferencia estadísticamente significativa (p ›0.05). Se concluyó que el Sistema de Postes REBILDA^® promueve una adecuada resistencia de unión a dentina intrarradicular.

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