Longitud de postes de fibra de vidrio y estrategias adhesivas para restaurar caninos fracturados

Autores/as

DOI:

https://doi.org/10.33448/rsd-v11i3.25868

Palabras clave:

Técnica de Perno Muñón, Resistencia Flexional, Curación Dual de Cementos de Resinas, Fractura por fatiga.

Resumen

El objetivo de este trabajo fue evaluar diferentes longitudes de postes de fibra de vidrio y estrategias adhesivas para restaurar caninos extensamente fracturados. Sesenta caninos humanos fueron divididos al azar en dos grupos (n=30), según el cemento de resina utilizado: convencional o autoadhesivo. Cada grupo se dividió en 3 grupos (n=10) según la longitud de los postes: 5, 7.5 e 10mm. La porción radicular fue tratada endodônticamente, se amplió el tercio cervical simulando una fractura extensa y se reconstruyó la porción coronal con resina compuesta. Las muestras se prepararon con un ligamento periodontal experimental y se sometieron a una prueba de fatiga (160N – 1.200.000 ciclos), seguido de una prueba de resistencia a la fractura. Los resultados fueron sometidos a las pruebas ANOVA y Tukey (α=5%). Las longitudes de los postes de fibra de vidrio ensayados no influyeron en la resistencia a la fractura (p<0,05). Sin embargo, el desempeño de los cementos convencionales fue mejor que el de los cementos autoadhesivos al comparar postes de la misma longitud (p<0,05), siendo prevalentes las fracturas reparables (70-90%) en todos los grupos evaluados. Los cementos de resina convencionales proporcionaron mayor resistencia a la fractura que los autoadhesivos, independientemente de la longitud del poste utilizado.

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Publicado

2022-03-07

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Ciencias de la salud

Cómo citar

Longitud de postes de fibra de vidrio y estrategias adhesivas para restaurar caninos fracturados. Research, Society and Development, [S. l.], v. 11, n. 3, p. e19411325868, 2022. DOI: 10.33448/rsd-v11i3.25868. Disponível em: https://rsdjournal.org/rsd/article/view/25868. Acesso em: 6 dec. 2025.