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Revista Eugenio Espejo
versión On-line ISSN 2661-6742versión impresa ISSN 1390-7581
Resumen
RODRIGUEZ ROBALINO, Doménica Mishelly; REINOSO ORTIZ, Silvia Alexandra; VALLEJO LARA, Silvia Verónica y PAREDES CHINIZACA, Paola Natali. Evaluación de la susceptibilidad de Enterococcus faecalis ATCC-29212 frente a medicamentos combinados con hidróxido de calcio. Rev Eug Esp [online]. 2021, vol.15, n.1, pp.12-21. ISSN 2661-6742. https://doi.org/10.37135/ee.04.10.02.
The high incidence of Enterococcus faecalis in dental procedures is a topic of interest for the health area. This bacterium resists various antimicrobials, and its proliferation increases due to its low susceptibility to substances of conventional use such as calcium hydroxide, becoming a of the main causes of root canal failure. The present investigation evaluated the in vitro susceptibility of Enterococcus faecalis strain ATCC-29212 to the combination of substances and antibiotics with calcium hydroxide. The agar diffusion technique was used, inoculating the microorganism in Petri dishes with Brain Heart agar (BHI), treated with filter paper disks impregnated with 1µl of each treatment in triplicate; T1 (Calcium Hydroxide + propylene glycol), T2 (Calcium Hydroxide + paramonochlorophenol), T3 (Calcium Hydroxide + ampicillin gentamicin + propylene glycol), T4 (Calcium Hydroxide + Physiological Saline Solution), Positive control (Hydroxide-based commercial medicine Calcium), incubated at 35 ° C for 24h, the halos formed around each disc were measured and compared with the Duraffourd scale and processed by one-factor ANOVA. A measure of the inhibition halo of 22.50 ± 3.3 mm was obtained with the T3 treatment, being extremely sensitive. It was concluded that this was the most effective in comparison with the rest of the in vitro tests of the rest of the investigated drugs.
Palabras clave : Enterococcus Faecalis; Calcium Hydroxide; Ampicillin; Gentamicin.