Análise comparativa da ação antimicrobiana do hipoclorito de sódio a 2,5% na forma líquida e em gel frente ao E. faecalis, C. albicans e E. coli
The endodontic treatment has as one of its steps the mechanic and chemical preparation, that consists in the utilization of chemical substances or formulations with antimicrobial properties, and the mechanic action of the instruments, where together, they promote the disinfection of the root canal s...
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| Formato: | bachelorThesis |
| Idioma: | pt_BR |
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Universidade Federal do Rio Grande do Norte
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| Endereço do item: | https://repositorio.ufrn.br/handle/123456789/50384 |
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| Resumo: | The endodontic treatment has as one of its steps the mechanic and chemical preparation, that consists in the utilization of chemical substances or formulations with antimicrobial properties, and the mechanic action of the instruments, where together, they promote the disinfection of the root canal system. The most commonly used irrigant is the liquid solution of sodium hypochlorite (NaOCl) 2.5%, which despite their good microbicidal properties, has its limitations, particulary the toxicity that is caused in contact with periapical tissue, leading to the characterization of different formulations. The present study aims to evaluate the effectiveness of the 2.5% NaOCl gel formulation, as well as its microbicidal activity against pathogens related to endodontic infections, such as Enterococcus faecalis, Candida albicans and Escherichia coli through microbiological testing, seeking to verify whether it maintains the same properties as the 2.5% NaOCl liquid solution associated with the benefits of the gel formulation. The methodology took place with the use of 10 teeth in each group, that were selected, prepared and contaminated. After the contamination, microbiological collections were made for culture and laboratorial procedures, consisting in the counting of colony-forming unit (CFU) of each group of each solution used, to evaluate the initial and final (after the irrigation) CFU. The results presented significative decreases to the NaOCl gel formulation, as well as to its liquid formulation. Concluding that the NaOCl 2,5% gel is as effective as its liquid formulation, maintaining the same properties and safer, due to its higher viscosity, providing lesser risk of accidents. |
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