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Comparative evaluation of antimicrobial efficacy for different root canal irrigants against Enterococcus faecalis -
Shah Maruf Hussain1, Shipra Jaidka1, Deepti Jawa1
1Department Pediatric and Preventive Dentistry, Divya Jyoti College of Dental Sciences and Research, Modinagar, Uttar Pradesh, India.
Abstract:
Persistent endodontic infections often involve resistant Enterococcus faecalis, making effective root canal irrigation essential for microbial control and treatment success. Therefore, it is of interest to assess antimicrobial efficacy against E. faecalis (MTCC 9845) using silver nanoparticles, BioPure MTAD and sodium hypochlorite across 40 Mueller-Hinton agar wells. Sodium hypochlorite demonstrated maximum zone of inhibition, followed closely by BioPure MTAD, while silver nanoparticles showed moderate activity; distilled water served as a negative control with no inhibition. NaOCl remains the gold-standard irrigant due to its superior antimicrobial activity against persistent endodontic pathogens. Thus, BioPure MTAD as a safer, near-equivalent alternative, guiding safer irrigation protocols for resistant infections.
