IN-VITRO EVALUATION OF THE ANTIBACTERIAL EFFECTS OF INTRACANAL MICRO PLASMA SYSTEM TREATMENT

Forty freshly extracted single-rooted teeth were prepared to a size 25 master apical file, autoclaved, and inoculated with a known quantity of Actinomyces naeslundii. The teeth were divided into four groups (0 = 10), including an untreated control group. The three treatment group s were exposed to Micro Plasma System (MPS), 0.5% NaOCl and 0.5% NaOCl + MPS respectively. The content of each root canal was absorbed by st erile paper points, diluted in 2 mi Schaedler Broth Medium, and incuba ted on blood agar. The number of CFU was determined. Data analysis, us ing an analysis of variance and Scheffe's test at the 1% level (Statvi ew II(R) software), indicated a significant reduction in CFU count for the three treatment groups compared to the control group. For the thr ee treatment groups, no significant intergroup differences were observ ed.