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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2021-06-23

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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/rsd/article/view/16550. Acesso em: 9 out. 2025.