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Comparative evaluation of antimicrobial and antifungal efficacy of bioactive root-end filling materials: An in vitro
Gopika Viswanath1, Mahima Tilakchand1, Balaram D Naik1
1Department of Conservative Dentistry and Endodontics, SDM College of Dental Sciences and Hospital, Dharwad, Karnataka, India.
Context:
Microorganisms are the main cause of failure of endodontic treatment. When retreatment fails periapical surgery followed by retrograde filling is done to seal the apex. A root-end filling material should have antimicrobial property as well as bioactive properties necessary for healing, repair, and regeneration of the apex.
Aims:
The aim of this study was to evaluate the antibacterial and antifungal efficacy of three bioactive root-end filling materials: mineral trioxide aggregate (MTA) Plus, Biodentine, Endosequence root repair material (ERRM) against Enterococcus faecalis and Candida albicans.
Subjects And Methods:
E. faecalis and C. albicans standard bacterial strains were used. 100 μl was taken from liquid cultures of E. faecalis and planted in Mueller-Hinton agar and the same amount of C. albicans was planted in Sabouraud dextrose agar by lawn culture. MTA Plus, Biodentine, and ERRM were aseptically filled into the opened pits. Following this, the media were kept in the drying oven at 37°C for 24, 48, and 72 h and the diameters of the inhibition zones were measured.
Statistical Analysis Used:
Statistical analysis was carried out by Kruskal-Wallis, Post hoc (Mann-Whitney), Friedman, and Post hoc (Wilcoxon-sign) test.
Results:
Among the three groups, the antimicrobial activity of Biodentine against E. faecalis was statistically higher than MTA Plus and ERRM (P < 0.05). Antifungal activity of MTA Plus against C. albicans was statistically higher than Biodentine and ERRM (P < 0.05). ERRM showed the smallest inhibition zone against E. faecalis and C. albicans among the three groups (P < 0.05).
Conclusions:
Biodentine exhibited the greatest antimicrobial activity and MTA Plus exhibited the greatest antifungal activity among the three groups. ERRM exhibited the least antibacterial and antifungal activity among the three groups.
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