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      Evaluación antibacteriana del peróxido de hidrógeno comparado con hipoclorito de sodio sobre cepillos dentales inoculados con Streptococcus mutans Translated title: Antibacterial Evaluation of Hydrogen Peroxide Compared to Sodium Hypochlorite on Dental Brushes Inoculated with Streptococcus Mutans Translated title: Avaliação do efeito antibacteriano do peróxido de hidrogênio em comparação ao hipoclorito de sódio em escovas de dente inoculadas com Streptococcus mutans

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          Abstract

          Resumen Objetivo: evaluar el efecto antibacteriano del peróxido de hidrógeno (H2O2) al 6 % comparado con hipoclorito de sodio (NaClO) al 1 % y al 2 %, sobre cepillos dentales inoculados con Streptococcus mutans ATCC® 25175™. Materiales y métodos: estudio experimental in vitro, transversal y comparativo. Se utilizaron 60 cepillos dentales, divididos en 4 grupos de 15 cepillos cada uno. El número de muestra lo determinó la fórmula de comparación de medias, después de realizar un estudio piloto, y se seleccionaron por muestreo aleatorio simple. Se aplicaron las pruebas de normalidad de Shapiro-Wilk, y para la prueba de hipótesis, la U de Mann-Whitney. Resultados: el H2O2 al 6 % presentó una media de crecimiento de 2 * 109 UFC/mL, lo que indica que su efectividad es mayor comparada con el NaClO al 1 %>, que presentó una media de crecimiento de 4 * 109 UFC/mL, y esta es menor al NaClO al 2 %, que tuvo 0 UFC /mL de Streptococcus mutans (p = 0,004). Conclusión: el H2O2 al 6 % y el NaClO al 1 % y al 2 % evidenciaron efectividad antibacteriana, aun cuando fue el NaClO al 2 % el más efectivo.

          Translated abstract

          Abstract Objective: To assess the antibacterial effect of 6% hydrogen peroxide (H2O2) compared with 1% and 2% sodium hypochlorite, on toothbrushes inoculated with Streptococcus mutans ATCC® 25175™. Materials and methods: The study design was an experimental in vitro, cross-sectional prospective and comparative study. Sixty toothbrushes were used, which were divided into four groups of 15 brushes. After conducting a pilot study, the sample number was determined by the means comparison formula and these were selected by simple random sampling. These brushes were inoculated with strains of S. mutans ATCC® 25175™. The disinfectants included H2O2 at 6% and sodium hypochlorite (NaOCl) at 1% and 2%. The Shapiro-Wilk test was used to assess normality and the Mann-Whitney U test was applied for the hypothesis test. Results: The 6% H2O2 showed an average growth of 2 * 109 CFU/mL, which indicates that its effectiveness is greater compared to the 1% NaClO that showed a growth average of 4 * 109 CFU/mL which is less than the 2% NaClO that presented 0 CFU/mL of S. mutans (p = 0.004). Conclusion: Between 6% H2O2 and 1% and 2% NaClO, specifically antibacterial detection, 2% NaClO was concluded as being the most effective.

          Translated abstract

          Resumo Objetivo: avaliar o efeito antibacteriano do peróxido de hidrogênio 6% em comparação ao hipoclorito de sódio 1% e 2%, em escovas de dente inoculadas com Streptococcus mutans ATCC® 25175™. Materiais e métodos: estudo experimental in vitro, transversal e comparativo. Foram utilizadas 60 escovas de dente, as quais foram divididas em 4 grupos de 15 escovas cada um. O número amostral foi determinado pela fórmula de comparação de médias, após realização de um estudo piloto, sendo selecionado por meio de amostragem aleatória simples. As escovas foram inoculadas com cepas de Streptococcus mutans ATCC® 25175™. Os desinfetantes utilizados foram peróxido de hidrogênio (H202) 6% em comparação ao hipo-clorito de sódio (NaClO) 1% e 2%. Aplicou-se a prova de normalidade de Shapiro-Wilk e como teste de hipótese utilizou-se o U de Mann-Whitney. Resultados: o H202 6% apresentou uma média de crescimento de 2*109 UFC/mL, indicando uma efetividade maior em comparação com o NaClO 1% que apresentou uma média de crescimento de 4*109 UFC/mL, que por sua vez foi menos efetivo que o NaClO 2% que apresentou uma contagem de 0 UFC/mL de Streptococcus mutans (p=0,004). Conclusão: o H2O2 6% e o NaClO 1% e 2%, apresentaram efetividade antibacteriana, sendo que o NaClO 2% foi totalmente efetivo.

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          Most cited references20

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          The Human Microbiome Project: A Community Resource for the Healthy Human Microbiome

          This manuscript describes the NIH Human Microbiome Project, including a brief review of human microbiome research, a history of the project, and a comprehensive overview of the consortium's recent collection of publications analyzing the human microbiome.
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            Metodología de la Investigación

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              The Comparative Evaluation of the Antimicrobial Effect of Propolis with Chlorhexidine against Oral Pathogens: An In Vitro Study

              This study aimed to compare the antimicrobial effectiveness of ethanolic extract of propolis (EEP) to chlorhexidine gluconate (CHX) on planktonic Streptococcus mutans, Streptococcus sobrinus, Lactobacillus acidophilus, Lactobacillus salivarius subsp. salivarius, Aggregatibacter actinomycetemcomitans, Prevotella intermedia, Porphyromonas gingivalis, Staphylococcus aureus, Enterococcus faecalis, Actinomyces israelii, Candida albicans, and their single-species biofilms by agar dilution and broth microdilution test methods. Both agents inhibited the growth of all planktonic species. On the other hand, CHX exhibited lower minimum bactericidal concentrations than EEP against biofilms of A. actinomycetemcomitans, S. aureus, and E. faecalis whereas EEP yielded a better result against Lactobacilli and P. intermedia. The bactericidal and fungicidal concentrations of both agents were found to be equal against biofilms of Streptecocci, P. gingivalis, A. israelii, and C. albicans. The results of this study revealed that propolis was more effective in inhibiting Gram-positive bacteria than the Gram-negative bacteria in their planktonic state and it was suggested that EEP could be as effective as CHX on oral microorganisms in their biofilm state.
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                Author and article information

                Journal
                recis
                Revista Ciencias de la Salud
                Rev. Cienc. Salud
                Editorial Universidad del Rosario (Bogotá, D:C:, Colombia )
                1692-7273
                2145-4507
                April 2021
                : 19
                : 1
                : 88-98
                Affiliations
                [5] Lima orgnameUniversidad Nacional Federico Villarreal orgdiv1Facultad de Odontología y Escuela Universitaria de Posgrado Peru
                [2] Lima orgnameUniversidad Nacional Federico Villarreal orgdiv1Facultad de Odontología y Escuela Universitaria de Posgrado Peru
                [3] Lima orgnameUniversidad Nacional Federico Villarreal orgdiv1Facultad de Odontología y Escuela Universitaria de Posgrado Peru
                [1] Lima orgnameUniversidad Nacional Federico Villarreal Peru
                [4] Lima orgnameUniversidad Nacional Federico Villarreal orgdiv1Facultad de Odontología y Escuela Universitaria de Posgrado Peru
                Article
                S1692-72732021000100088 S1692-7273(21)01900100088
                10.12804/revistas.urosario.edu.co/revsalud/a.10226
                da01ed53-e841-45e8-892c-1c83c9b839f6

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 09 September 2020
                : 24 September 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 20, Pages: 11
                Product

                SciELO Colombia

                Categories
                Artículos de investigación clínica o experimental

                Streptococcus mutans,Disinfection,hydrogen peroxide,sodium hypochlorite,desinfecção,peróxido de hidrogênio,hipoclorito de sódio,desinfección,peróxido de hidrógeno,hipoclorito de sodio

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