Citotoxicidad, citoprotección y análisis morfológico de MTA, MTA Repair HP y Biodentine

Autores/as

DOI:

https://doi.org/10.33448/rsd-v11i3.26639

Palabras clave:

Técnicas de cultivo celular; Microscopía; Técnicas in vitro.

Resumen

El objetivo del presente estudio fue evaluar la citotoxicidad, citoprotección y cambios morfológicos in vitro por técnica SEM de MTA, MTA-HP y Biodentine, en la líneo celular de fibroblastos 3T3. MTA, MTA-HP y Biodentine se colocaron en discos estériles de teflón y se incubaron en medios de cultivo durante 24 horas para obtener eluidos. Las células de fibroblastos 3T3 se cultivaron con los eluidos respectivos y el grupo de control con medio de cultivo. Los ensayos de citotoxicidad y citoprotección se determinaron mediante el método MTT. Los resultados fueron procesados estadísticamente por Mann-Whitney (α=0,05) y análisis de Kruskal-Wallis. Las células cultivadas en cubreobjetos y tratadas con los eluidos fueron sometidas a proceso de fijación y deshidratación para evaluar alteraciones morfológicas por técnica SEM. En el ensayo de citotoxicidad, las células tratadas con MTA, MTA HP y Biodentine mostraron una viabilidad superior al 95 %, al igual que las células de control. En la citoprotección a las células 3T3, los materiales promovieron en la misma magnitud (p>0.05), con crecimiento celular mejorado y se consideraron estadísticamente diferentes a los obtenidos para las células tratadas únicamente con solución de peróxido (control positivo) (p=0.046). Además, los resultados de viabilidad de los materiales del conducto radicular probados fueron similares a los del control negativo (células tratadas solo con medio de cultivo) (p = 0,05). La técnica SEM no reveló cambios celulares morfológicos de las células 3T3 en contacto con los materiales endodónticos. Los materiales biocerámicos han demostrado una alta bioactividad y biocompatibilidad, tal como se presenta en los ensayos de citoprotección y morfológicos.

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Publicado

08/03/2022

Cómo citar

MICHELOTTO, A. L. da C.; PUPO, Y. M.; OSHIRO, S. T. K.; YAMAMOTO, Ângela T. A. .; OLIVEIRA, C. C. de; BATISTA, A.; MALUF, D. F. Citotoxicidad, citoprotección y análisis morfológico de MTA, MTA Repair HP y Biodentine. Research, Society and Development, [S. l.], v. 11, n. 3, p. e58211326639, 2022. DOI: 10.33448/rsd-v11i3.26639. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/26639. Acesso em: 30 jun. 2024.

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Ciencias de la salud