Examinando por Autor "Perez Llantoy, Linda Katherine"

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    Antibacterial activity of propolis and its combination with calcium hydroxide on Enterococcus Faecalis. in vitro study 2021.
    (Universidad Privada Norbert Wiener, 2022-06-10) Perez Llantoy, Linda Katherine; Vilchez Bellido, Dina
    The purpose of this study was to determine the antibacterial activity of 30% propolis extract and its combination with calcium hydroxide against Enterococcus faecalis ATCC 19433 strains. The sample consisted of Enterococcus faecalis ATCC 19433 cultures, divided into four groups of 25 cultures: three experimental pastes (calcium hydroxide "PrevestDenPro" 70%, 30% propolis extract, and calcium hydroxide 70% combined with 30% propolis) and one negative control (distilled water), with inhibition halos measured at 24 and 48 hours. The results showed antibacterial activity in all three experimental pastes (inhibition halos > 0): 70% calcium hydroxide (M: 7.164 and M: 7.664), 70% calcium hydroxide + 30% propolis (M: 7.804 and M: 8.184), and 30% propolis extract (M: 12.848 and M: 13.428) at 24 and 48 hours, respectively. Significant differences were found between the inhibition halos at 24 and 48 hours for each substance (p value < 0.05). Pairwise comparisons showed significant differences between propolis extract and calcium hydroxide (sig: 0.00), and between calcium hydroxide + propolis extract and propolis extract (sig: 0.00), with no significant difference between calcium hydroxide and calcium hydroxide + propolis extract (sig: 0.080 and 0.484 at 24 and 48 hours). In conclusion, there is antibacterial effectiveness of 30% propolis extract and its combination with calcium hydroxide against Enterococcus faecalis ATCC 19433 strains at 24 and 48 hours, with 30% propolis extract showing the highest antibacterial activity.