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Endodoncia (Madr.) ; 30(2): 60-63, abr.-jun. 2012.
Article in Spanish | IBECS | ID: ibc-117120

ABSTRACT

Objetivo. Se evaluó in vitro la actividad antibacteriana de pastas de Ca (OH)2 frente a Enterococcus faecalis. Material y método. Las pasta usadas fueron: 1-Ca(OH)2 con solución salina, 2-Ca(OH)2 con clorhexidina (CHX) 0,2% y 3-Ca (OH)2 con propilenglicol. Se trabajó con 6 tubs experimentales y un tubo control de crecimiento bacteriano y se realizó una curva de muerte, evaluándolas a diferentes tiempos 0,1,2 y 5 horas y 1, 7 y 14 días. Los datos se analizaron con ANOVA. Resultados y conclusiones. Ca (OH)2 con CHX 0,2% produjo inhibición total de Enterococcus faecalis a la hora de permanencia en contacto con el microorganismo, manteniéndose este efecto durante los 14 días. La pasta de Ca (OH)2 con propilenglico inhibió al microorganismo durante la 1º hora, sin evidenciarse diferencias con la pasta 2 (p>0,05), manteniéndose este efecto durante 5 horas, luego hubo recrecimiento bacteriano. La pasta de Ca(OH=2 con solución salina inhibió al Enterococcus faecalis a partir del día 1 hasta el día 14 (AU)


Objective. The aim of this study was to evaluate the antimicrobial effects of calcium hydroxide pastes on Enterococcus faecalis. Material and methods. The pastes evaluated were: 1-calcium hydroxide with saline solution, 2-calcium hydroxide with chlorhexidine (CHX) 0,2% and 3-calcium hydroxide with propileneglicol. Six experimental tubes and one control tube were prepared and incubated for 0, 1, 2, 5 hours, 1, 7 and 14 days. The curves death were made. The data was analyzed with ANOVA test. Results and Conclusions. Ca (OH)2 with CHX 0,2% paste inhibited Enterococcus faecalis at 1 hour and maintained this effect over 14 days. Ca(OH)2, with propileneglicol had inhibitory effect at 1 hour, showing no significant difference with paste 2 (p>0,05). Paste 3 maintained inhibitory action for 5 hours, then microorganism grow again. Ca(OH)2 with saline solution paste inhibit Enterococcus faecalis after 1 day of contact. This effect continue to 14th day. Ca(OH)2 with CHX 0,2% and Ca(OH)2 with propileneglicol pastes were effective in 1 hour time (p<0,05). Only the pastes 1 and 2 maintained inhibitory action for 14 days (AU)


Subject(s)
Humans , Anti-Bacterial Agents/pharmacokinetics , Toothpastes/pharmacokinetics , Enterococcus faecalis , Enterococcus faecalis/pathogenicity , Propylene Glycol/pharmacokinetics , Chlorhexidine/pharmacokinetics , Saline Solution, Hypertonic/pharmacokinetics
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