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- Effectiveness of calcium hydroxide-based intracanal medicaments against Enterococcus faecalis
- Universidade Estadual Paulista (UNESP)
- Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
- CNPq: 474628/2008-6
- Aim To evaluate the antimicrobial efficacy of calcium hydroxide-based intracanal medicaments against Enterococcus faecalis. Methodology One hundred and six single-rooted human teeth were inoculated with E. faecalis (ATCC 29212) and incubated in an microaerophilic environment for 21 days. Teeth were divided according to the medicaments and period: G1 Calen (7 days); G2 Calen (14 days); G3 Calen/camphorated paramonochlorophenol (CMCP) (7 days); G4 Calen/CMCP (14 days); G5 Calen/0.4% chlorhexidine (CHX) (7 days); G6 Calen/0.4% CHX (14 days); G7 Calen/1% CHX (7 days); G8 Calen/1% CHX (14 days); G9 chemo-mechanical preparation with no medication and G10 no chemo-mechanical preparation and no medication. Microbial samples were harvested immediately after removal of the intracanal dressing and 7 days later. Data were subjected to anova (P < 0.05). Results All medicaments were associated with a reduction in E. faecalis after removal of the dressing (post-medication harvest). However, all specimens were associated with an increase in CFU mL-1 values after 7 days (final harvest). Calen/CMCP and Calen/CHX had the lowest CFU mL-1 values (P < 0.05). Conclusion In this laboratory study using extracted teeth all calcium hydroxide-based medicaments were able to significantly reduce the CFU mL-1 values of E. faecalis in the root canal system.
- International Endodontic Journal. Malden: Wiley-blackwell, v. 45, n. 4, p. 311-316, 2012.
- calcium hydroxide
- Enterococcus faecalis
- intracanal medication
- Acesso restrito
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