Table 3. Pairwise comparison using post hoc Tukey’s test for the first treatment incidence.

*p-value < .05 denotes statistical significance using Tukey's test, CI denotes confidence interval.

Pairwise	Mean difference	t value	p-value	95% CI lower limit	95% CI upper limit
Control (Distilled water) vs. 2% Glutaraldehyde	1.20	-1.67	0.593	-3.20	0.79
Control (Distilled water) vs. 1% Sodium hypochlorite	2.69	3.74	0.002*	0.70	4.69
Control (Distilled water) vs. 2% Chlorhexidine gluconate	3.13	4.35	0.001*	1.14	5.12
2% Glutaraldehyde vs. 1% Sodium hypochlorite	3.90	5.41	0.001*	1.91	5.89
2% Glutaraldehyde vs. 2% Chlorhexidine gluconate	4.34	6.02	0.001*	2.34	6.33
1% Sodium hypochlorite vs. 2% Chlorhexidine gluconate	0.44	0.61	1.000	-1.55	2.43