Comparación biomecánica de cuatro modelos de tratamiento para el maxilar superior atrófico totalmente desdentado: análisis de elementos finitos

Autores/as

DOI:

https://doi.org/10.33448/rsd-v11i10.32509

Palabras clave:

Análisis de elementos finitos; Implantes dentales; Maxilar edéntulo; Fenómenos biomecánicos.

Resumen

El objetivo de este estudio es evaluar, por medio del análisis de elementos finitos, diferentes técnicas de rehabilitación para maxilares superiores totalmente edéntulos, considerando implantes, tejido óseo, infraestructura metálica y características de los componentes protésicos, a partir de un modelo tridimensional. La distribución del estrés en el tejido óseo, implantes y componentes protésicos fue analizada con cuatro configuraciones (seis implantes instalados axialmente, técnica all-on-four, técnica M-4 y cuatro implantes convencionales con dos implantes cigomáticos). Se encontró una mayor tensión en el tejido óseo alrededor de los implantes distales, en todos los grupos de tratamiento, sin exceder los límites de resistencia del hueso cortical. El estrés de Von Mises fue mayor en la región distal de los implantes distales en las técnicas all-on-four y M-4. Se observó una mayor concentración de tensión en los componentes angulados de los implantes cigomáticos. Los mayores valores de tensión mínima de compresión fueron concentrados en el tejido óseo peri implantar, especialmente en el modelo All on Four. Por lo tanto, el presente análisis de elementos finitos reveló que las cuatro configuraciones de tratamiento (seis implantes instalados axialmente, técnica all-on-four, técnica M-4 y cuatro implantes convencionales con dos implantes cigomáticos) para el maxilar superior totalmente edéntulo son factibles y seguras, desde el punto de vista biomecánico.

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Publicado

25/07/2022

Cómo citar

MIYASAWA, E. M.; MACÊDO, F. C. de; VALENGA FILHO, J.; TROJAN, L. C.; KLÜPPEL, L. E.; PADOVAN, L. E. M. Comparación biomecánica de cuatro modelos de tratamiento para el maxilar superior atrófico totalmente desdentado: análisis de elementos finitos. Research, Society and Development, [S. l.], v. 11, n. 10, p. e135111032509, 2022. DOI: 10.33448/rsd-v11i10.32509. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/32509. Acesso em: 30 jun. 2024.

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Ciencias de la salud