Dentinal Tubule Disinfection with 2% Chlorhexidine Gel, Propolis, Morinda Citrifolia Juice, 2% Povidone Iodine, and Calcium HydroxideInternational Endodontic Journal, Volume 43 Issue 5, Pages 419 - 423
Aim: To investigate the antimicrobial activity of 2% chlorhexidine gel, propolis, Morinda citrifolia juice (MCJ), 2% povidone Iodine (POV-I), and calcium hydroxide on Enterococcus faecalis-infected root canal dentine at two different depths (200 μm and 400 μm) and three time intervals (day 1, 3 & 5).
Methodology: One hundred and eighty extracted human teeth were infected for 21 days with E. faecalis. Samples were divided into six groups. Group I (Saline) (Negative control), Group II (Propolis), Group III (MCJ), Group IV (2% Povidone Iodine), Group V (2% Chlorhexidine Gel), Group VI (Calcium hydroxide). At the end of 1, 3, and 5 days, the remaining vital bacterial population was assessed. Dentine shavings were collected at two depths (200 μm and 400 μm), and total numbers of colony forming units were determined. The values were analysed statistically with one-way analysis of variance followed by Tukey multiple comparison test. The paired t-test was used to check for differences in growth at different time intervals within groups and for differences at the two depths.
Results: The number of colony-forming units was statistically significant in all groups compared to the control group (Saline). Group V (chlorhexidine gluconate) (100%) produced better antimicrobial efficacy followed by 2% POV-I (87%), propolis (71%), MCJ (69%), and calcium hydroxide (55%). There was no significant difference between propolis and MCJ and no significant difference between data at 200 μm and 400 μm.
Conclusion: Propolis and MCJ were effective against E. faecalis in dentine of extracted teeth.
This would be fascinating information if you could read it. What kept the teeth alive after they were extracted? What about the letter not in the English alphabet?
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