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ORIGINAL RESEARCH
Year : 2007  |  Volume : 19  |  Issue : 2  |  Page : 14-17

Comparison of anti microbial efficacy of degradation product of MTAD with original biopure MTAD


1 PG Student, Department of Conservative Dentistry and Endodontics, Sri Ramachandra Dental College and Hospital, Chennai, India
2 Senior Lecturer, Department of Conservative Dentistry and Endodontics, Sri Ramachandra Dental College and Hospital, Chennai, India
3 Professor and Head, Department of Conservative Dentistry and Endodontics, Sri Ramachandra Dental College and Hospital, Chennai, India

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-7212.351904

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The aim of our study was to compare the antimicrobial efficacy of degradation product obtained from the 1.3% Sodium hypochlorite oxidized MTAD with original Biopure MTAD on E. faecalis by zone of inhibition and direct exposure test. One hundred micro liters of E.faecalis was spread on Mueller-Hinton agar (MHA) with sheep blood in a sterile glass plate. Twenty micro liters of sterile saline, Biopure MTAD and degradation product were added onto the filter papers and the plates were incubated overnight at 37°c for 24 h. The zones of inhibition were measured. 1x108colony forming units of E.faecalis were exposed to the test solution in direct exposure test. Larger zone of inhibition was observed with MTAD compared to degradation product. Exposure of E.faecalis to undiluted MTAD resulted in complete elimination of the bacteria.


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