Evaluación in vitro de la citotoxicidad y actividad antimicrobiana en biofilm de diferentes cementos endodónticos

Autores/as

DOI:

https://doi.org/10.33448/rsd-v11i10.32842

Palabras clave:

Biopelículas; Endodoncia; Osteoblastos; Sobrevivência Celular; Técnicas In Vitro.

Resumen

Objetivo: Evaluar in vitro la citotoxicidad en células osteoblásticas humanas y la actividad antimicrobiana de diferentes cementos obturadores de conductos radiculares. Materiales y métodos: BioRoot RCS, TotalFill BC Sealer y Bio-C Sealer se utilizaron como grupos experimentales y AH Plus se utilizó como control. Se usaron células similares a osteoblastos humanos y ensayo colorimétrico cuantitativo MTT para evaluar la citotoxicidad. Las células Saos-2 se expusieron a extractos de cementos sin diluir durante 24 h. A continuación, se recogió el sobrenadante y los cristales de formazán resultantes de la reducción de MTT se disolvieron en sulfóxido de dimetilo puro. La absorbancia se midió en un espectrofotómetro automático con una longitud de onda de 540 nm. La actividad antimicrobiana se analizó mediante la prueba de contacto directo, utilizando una biopelícula polimicrobiana compuesta por Enterococcus faecalis, Candida albicans y Streptococcus mutans. A las 24, 48 y 72 h, se contabilizaron las unidades formadoras de colonias en placas de agar. Para el análisis estadístico se utilizó la prueba no paramétrica de Kruskal-Wallis. El nivel de significación se fijó en el 5%. Resultados: AH Plus mostró la menor citotoxicidad después de 24 h, con una diferencia significativa en relación con BioRoot RCS y Bio-C Sealer (p ≤ 0.01). No hubo diferencias significativas en la citotoxicidad entre TotalFill BC Sealer y Bio-C Sealer (p > 0.05). A las 24 h, TotalFill BC Sealer y AH Plus mostraron el menor crecimiento microbiano en comparación con Bio-C Sealer (p < 0.05). A las 48 y 72 h no hubo diferencias significativas entre los cementos obturadores (p > 0.05). Conclusiones: AH Plus presentó la menor citotoxicidad. TotalFill BC Sealer y AH Plus produjeron mayores reducciones en los recuentos microbianos en las primeras 24 h en comparación con Bio-C Sealer. Relevancia Clínica: 2c.

Citas

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Publicado

06/08/2022

Cómo citar

JANINI, A. C. P. .; BUENO, C. E. da S. .; DE MARTIN, A. S. de .; PELEGRINE, R. A.; FONTANA, C. E.; HUSSNE, R. P. .; ACCORSI-MENDONÇA, T.; PINHEIRO, S. L. Evaluación in vitro de la citotoxicidad y actividad antimicrobiana en biofilm de diferentes cementos endodónticos. Research, Society and Development, [S. l.], v. 11, n. 10, p. e430111032842, 2022. DOI: 10.33448/rsd-v11i10.32842. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/32842. Acesso em: 30 jun. 2024.

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Ciencias de la salud