Table 1: Mean & Standard deviation of colony counts for different intracanal medicaments at 200 and 400 µm depths at different time intervals.

Group Day 1 Day 3 Day 5
200 µm 400 µm 200 µm 400 µm 200 µm 400 µm
Mean SD Mean SD Mean SD Mean SD Mean SD Mean SD
Propolis 0.20 0.42 0.40 0.52 0.50 0.53 0.60 0.52 3.50 0.71 4.40 0.52
Neem (Alcoholic extract) 1.60 0.52 3.20 0.42 5.50 0.53 9.40 0.52 12.60 0.52 17.40 0.52
Neem (Aqueous extract) 8.40 0.52 12.80 0.42 15.50 0.53 19.40 0.52 22.60 0.52 27.40 0.52
2% Chlorhexidine 0.00 0.00 0.00 0.00 0.30 0.48 0.50 0.53 1.40 0.52 2.50 0.53
Calcium hydroxide 28.40 0.52 42.80 0.42 55.50 0.53 69.40 0.52 82.60 0.52 87.40 0.52
Ethanol 68.40 0.52 72.80 0.42 95.50 0.53 109.40 0.52 122.60 0.52 137.40 0.52
Saline 69.60 0.52 74.70 0.48 96.50 0.53 110.60 0.52 124.70 0.48 139.60 0.52

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