Journal
JOURNAL OF APPLIED ORAL SCIENCE
Volume 21, Issue 1, Pages 74-79Publisher
UNIV SAO PAULO FAC ODONTOLOGIA BAURU
DOI: 10.1590/1678-7757201302322
Keywords
Bacterial leakage; Cetrimide; Chlorhexidine; Enterococcus faecalis; Irrigation
Categories
Ask authors/readers for more resources
Objective: To assess the influence of final irrigation protocols with chlorhexidine in the coronal leakage of Enterococcus faecalis in filled root canals. Material and Methods: Seventy single-root canals from extracted teeth were prepared using ProTaper instruments. The irrigation protocol accomplished an alternating irrigation with 5 mL of 2.5% sodium hypochlorite (NaOCl) and 17% EDTA between each file. The teeth were randomly divided into four experimental groups (n=15) according to the final irrigation regimen: group 1, without final irrigation; group 2, irrigation with 10 mL 2.0% chlorhexidine (CHX); group 3, with a final application of EC40(TM); and group 4, irrigation with the combination (1:1) of 0.2% CHX + 0.1% cetrimide (CTR). All the teeth were mounted in a two-chamber apparatus and the coronal access was exposed to E. faecalis. The presence of turbidity in the BHI broth over a period of 180 days was observed. The Friedman test was used for statistical analysis. Results: EC40(TM) varnish showed the least leakage at 180 days, and was statistically similar to 2% CHX. No significant differences were observed between the group without final irrigation and the 2% CHX group or 0.2% CHX + 0.1% CTR. Conclusions: In this ex vivo study, EC40(TM) showed the longest delayed coronal leakage of E. faecalis, although without significant differences from 2% CHX.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available