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A COMPARATIVE STUDY TO KNOW THE GREY MINERAL TRIOXIDE AGGREGATE (MTA) ANTIBACTERIAL ACTIVITY MIXED WITH DIFFERENT SUBSTANCES

Dr.Fatima Arshad, Dr.Muhammad Zeeshan Azam, Dr.Abrar Ul Haq

Objective: The aim of this study was to investigate the in vitro antibacterial effects of Grey MTA mixed with different substances on a mix of S aureus. Study Design: A Comparative Study. Place and Duration: In the Pathology and Dental department of Lahore Medical and Dental College for one year duration from June 2017 to June 2018. Methods: MTA was mixed with local anesthetic, 0.2% Chlorhexidine and water. 24 hour set test materials were kept on the inoculated media surface and for 48 hours in appropriate atmospheres were incubated at 37 degrees centigrade. As a positive control, Augmentin suspension was used. Dry, sterile tin foil discs were used as a negative control. Results: Each material antibacterial effects were evaluated by determining the diameter of the inhibition zones in millimeters. Chlorhexidine group had higher zone of inhibition significantly (P< 0.05). Conclusion: In conclusion, 0.2% Chlorhexidine gluconate substitution for water increase the Grey MTA antimicrobial activity. Key words: MTA, Grey MTA, Chlorohexidine.

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