Journal of Conservative Dentistry
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ORIGINAL ARTICLE
Year : 2019  |  Volume : 22  |  Issue : 1  |  Page : 7-11

Antimicrobial efficacy of liquorice against Enterococcus faecalis biofilms in various concentrations at time-dependent variables: An in vitro study


1 Department of Conservative Dentistry and Endodontics, Vivekanandha Dental College for Women, Tiruchengode, Namakkal, India
2 Department of Conservative Dentistry and Endodontics, Faculty of Dentistry, Rajah Muthiah Dental College and Hospital, Annamalai Nagar, Tamil Nadu, India
3 Department of Microbiology, Faculty of Dentistry, Rajah Muthiah Dental College and Hospital, Annamalai Nagar, Tamil Nadu, India

Correspondence Address:
Dr. M Chittrarasu
Department of Conservative Dentistry and Endodontics, Vivekanandha Dental College for Women, Elayampalayam, Tiruchengode, Namakkal - 637 205, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JCD.JCD_173_18

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Introduction: The purpose this study was to evaluate the inhibitory efficacy of liquorice at various concentrations against Enterococcus faecalis and their biofilms at time-dependent variables in 24 h, 48 h, 72 h, 120 h, and 168 h. Materials and Methods: The antienterococcal activity of liquorice and calcium hydroxide was detected employing concentration ranging from 1–4 g and interpreted based on the zone of inhibition. The ability of liquorice to inhibit E. faecalis biofilms during the stages of growth kinetics on microtiter plate was assessed, and the biofilm architecture was evaluated by scanning electron microscope (SEM). Results: Statistically significant antienterococcal was observed at 3 and 4 g of liquorice against 24 and 48 h on microtiter plates. This observation was also complimented by SEM studies of biofilm architecture cultivated in root canals. Conclusions: E. faecalis biofilms at 24 h and 48 h were highly susceptible to liquorice at concentration of 3 and 4 g.


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