Análise do pH e da atividade antimicrobiana de um novo medicamento intracanal biocerâmico Bio-C Temp

Autores

DOI:

https://doi.org/10.33448/rsd-v10i7.16550

Palavras-chave:

Hidróxido de cálcio; Silicato de cálcio; Enterococcus faecalis; Ação antimicrobiana.

Resumo

As medicações intracanais com atividade antimicrobiana são importantes como coadjuvantes na desinfecção do sistema de canais radiculares. Diante disso, esse estudo avaliou, in vitro, o pH e a atividade antimicrobiana de um novo medicamento intracanal biocerâmico (Bio-C Temp) em comparação com medicações a base de hidróxido de cálcio (HC). A determinação do pH foi realizada por meio de um pHmetro nos períodos de 30 minutos, 3, 24, 72 e 168 horas. As medicações Ultracal®XS, Hidróxido de cálcio com soro (HC/Soro), Hidróxido de cálcio com propilenoglicol (HC/PG) e Bio-C Temp (biocerâmico) foram testadas contra biofilmes de duas cepas de Enterococcus faecalis (ATCCs 29212 e 4083) usando os testes de contato direto (TCD) e restrito por membrana (TRM). A sobrevivência bacteriana foi determinada pela contagem das unidades formadoras de colônias (UFCs) e os dados foram comparados estatisticamente (P < 0,05). A pasta Bio-C Temp apresentou o menor valor de pH nos tempos avaliados. Os grupos HC/Soro e HC/PG apresentaram maior ação frente ao controle no TCD (P < 0,05) contra as duas cepas testadas. Ainda, o HC/PG mostrou maior atividade antibacteriana que o Bio-C Temp (P < 0,05). Todos os grupos apresentaram diferença ante o grupo controle no TRM contra a cepa 29212, e somente o HC/PG mostrou diferença significativa frente ao controle contra biofilmes da cepa 4083. O Bio-C Temp mostrou ação antibacteriana similar ao Ultracal®XS, no entanto apresentou menor ação em relação ao HC/PG. A pasta de hidróxido de cálcio associada com propilenoglicol mostrou vantagens em relação às demais testadas.

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Publicado

23/06/2021

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VIANA, F. L. P.; SAMPIERI, M. B. da S. .; VIANA, P. P.; CRUZ, S. M. L.; VIVAN, R. R. .; DUARTE, M. A. H.; ZANIN, I. C. J.; VASCONCELOS, B. C. de. Análise do pH e da atividade antimicrobiana de um novo medicamento intracanal biocerâmico Bio-C Temp . Research, Society and Development, [S. l.], v. 10, n. 7, p. e33310716550, 2021. DOI: 10.33448/rsd-v10i7.16550. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/16550. Acesso em: 28 nov. 2024.

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