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Zones of inhibition of test agents A (20 μl), B (40 μl), C (60 μl), D (80 μl), and E (100μl). Chlorhexidine – F (0.2%), G (2%), H (Ampicillin), I (Distilled water) – No zone against test microbes. (a and b): Zones of Inhibition of Bacillus pumilus. (c and d) Zones of Inhibition of Enterococcus faecalis. (e and f): Zones of inhibition of Porphyromonas gingivalis
