Volume 26, Number 138 (June 2016)                   J Mazandaran Univ Med Sci 2016, 26(138): 35-43 | Back to browse issues page


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Adel M, Pourrousta P, Sharifi M, Javadi A, Falah-Abed P, Rahmani N. Antimicrobial Effect of Carvacrol and Calcium Hydroxide against Enterococcus Faecalis in Different Layers of Dentin and Different Time Intervals. J Mazandaran Univ Med Sci. 2016; 26 (138) :35-43
URL: http://jmums.mazums.ac.ir/article-1-7959-en.html

Abstract:   (1678 Views)

Background and purpose: Mechanical and chemical canal preparations are not capable of eliminating all microorganisms from dentinal tubules, so using medical intervention is necessary to fulfill this task. The aim of this study was to compare the antimicrobial effect of Carvacrol and Calcium hydroxide against Enterococcus faecalis in different layers of dentin and different time intervals.

Materials and methods: An experimental study was performed in which 70 upper anterior single-rooted teeth were extracted and after separating middle of roots, the inner diameter of canals was equalized. After sterilization the specimens were subjected to Enterococcus faecalis suspension and then randomly divided into four groups of 15 each and one control group including 10 samples. Carvacrol was placed in canals for 5 minutes, 48 hours and one week and Calcium hydroxide was placed in canals for one week. Finally, dentinal debris obtained from canal preparation were incubated in culture medium and presence of Enterococcus faecalis was assessed. Statistical analysis was performed using Chi-square test in SPSS.

Results: In the inner layer of dentin, success rate of Enterococcus faecalis elimination was 100% for Carvacrol at all time intervals and 80% for Calcium hydroxide after one week. In the middle layer of dentin, the success rate of Carvacrol was 93% after 5 minutes and 87% after 48 hours and one week, but success rate of Calcium hydroxide after one week was 73%. There were no significant differences in antimicrobial effect between the groups (P>0.05).

Conclusion: Carvacrol can eliminate Enterococcus faecalis in shorter time intervals compared with Calcium hydroxide.

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Type of Study: Research(Original) | Subject: Dentistry

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