Paper Information

Journal:   JOURNAL OF DENTAL MEDICINE   WINTER 2016 , Volume 28 , Number 4; Page(s) 274 To 282.
 
Paper: 

COMPARISON OF ANTIMICROBIAL EFFECT OF TRICRESOL FORMALIN AND 5.25% SODIUM HYPOCHLORITE ON THE ENTEROCOCCUS FAECALIS

 
 
Author(s):  MOKHTARI FATEMEH, ZANDI HENGAMEH, NAFEZ ASGHAR*
 
* 
 
Abstract: 

Background and Aims: The presence of microbes inside the canal is the main reason for post-treatment infection. Therefore, the maintenance of the disinfection obtained during the treatment is imperative. The aim of this study was to compare the antimicrobial effect of Tricresol formalin and 5.25% Sodium hypochlorite on the Enterococcus faecalis.
Materials and Methods: In this study 66 human single-rooted extracted teeth were used. After access cavity and root canal preparation, the teeth were sterilized in autoclave, and then contaminated with Enterococcus faecalis suspension and incubated at 37°C for 7 days. Then, they were randomly divided into three groups of 20: In group 1, Tricresol formalin was used as intracanal medicament. In group 2, 5.25% Sodium hypochlorite and in group 3 (control group), normal saline were used as irrigants. 7 days after incubation at 37°C, the microbiological sampling was performed. For this purpose, dentinal shaves were collected from the root canals and cultured in Tryptic Soy Broth, and the number of Colony-Forming Unit (CFU) was counted. Data were analyzed using Kruskal-Wallis and Mann-Whitney tests.
Results: A significant reduction of CFU was observed in the Tricresol formalin and Sodium hypochlorite groups compared to the control group (P<0.001). No significant difference was reported between Tricresol formalin and Sodium hypochlorite groups (P=0.69).
Conclusion: The present study showed that the antimicrobial effect of Tricresol formalin was comparable with 5.25% Sodium hypochlorite on the Enterococcus faecalis.

 
Keyword(s): ENTEROCOCCUS FAECALIS, SODIUM HYPOCHLORITE, ANTIMICROBIAL
 
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