Effect of Cetrimide with Bioceramic or Calcium Hydroxide Intracanal Medication

Larissa Braz Pontes; Camila Soares Lopes; Jéssica Arielli Pradelli; Mário Tanomaru-Filho; Juliane Maria Guerreiro-Tanomaru

doi:10.15517/w37rx029

Autores/as

Larissa Braz Pontes Department of Restorative Dentistry, Araraquara School of Dentistry, São Paulo State University-UNESP, Araraquara, SP, Brazil. Autor/a https://orcid.org/0000-0001-7609-5059
Camila Soares Lopes Department of Restorative Dentistry, Araraquara School of Dentistry, São Paulo State University-UNESP, Araraquara, SP, Brazil. Autor/a https://orcid.org/0000-0002-7746-1580
Jéssica Arielli Pradelli Department of Restorative Dentistry, Araraquara School of Dentistry, São Paulo State University-UNESP, Araraquara, SP, Brazil. Autor/a https://orcid.org/0000-0003-3591-7364
Mário Tanomaru-Filho Department of Restorative Dentistry, Araraquara School of Dentistry, São Paulo State University-UNESP, Araraquara, SP, Brazil. Autor/a https://orcid.org/0000-0002-2574-4706
Juliane Maria Guerreiro-Tanomaru Department of Restorative Dentistry, Araraquara School of Dentistry, São Paulo State University-UNESP, Araraquara, SP, Brazil. Autor/a https://orcid.org/0000-0003-0446-2037

DOI:

https://doi.org/10.15517/w37rx029

Palabras clave:

Hidróxido de calcio; Materiales dentales; Endodoncia; Enterococcus faecalis; Terapia de conducto radicular; Silicatos.

Resumen

Este estudio evaluó el pH, la solubilidad y la descontaminación intratubular de las medicaciones intracanal biocerámicas Bio-C® Temp (BCT), una pasta a base de hidróxido de calcio Calen® (CAL) y sus combinaciones con Cetrimida al 1% (CTR): BCT, CAL, BCT/CTR, CAL/CTR. Se utilizaron tubos de polietileno llenos con las medicaciones para medir el pH a intervalos de 1, 3, 7, 14 y 21 días. La solubilidad se evaluó después de 14 días de inmersión en agua destilada a 37°C. Se utilizaron túbulos dentinarios bovinos contaminados con Enterococcus faecalis para evaluar la descontaminación intratubular mediante microscopía confocal de escaneo láser y el tinte bacteriano Live/Dead BacLight, tres días después de la exposición a las medicaciones y a un grupo de control utilizando polietilenglicol 400. El análisis estadístico se realizó mediante pruebas ANOVA y Tukey (p<0.05). CAL/CTR mostró el pH más alto después de 1 día (p<0.05). CAL tuvo los valores de pH más altos a los 14 y 21 días (p<0.05). BCT mostró los valores de pH más bajos a los 3 días, y BCT/CTR a los 7 y 21 días (p<0.05). La adición de CTR no afectó la solubilidad de las medicaciones (p>0.05). CAL demostró una descontaminación intratubular superior (p<0.05), mientras que CAL/CTR, BCT y BCT/CTR mostraron resultados similares (p>0.05). La inclusión de cetrimida al 1% no mejoró la descontaminación intratubular de Bio-C® Temp y redujo la actividad antibacteriana de Calen®. Calen® en un vehículo viscoso exhibió un mayor potencial alcalino, solubilidad y descontaminación intratubular.

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