[Table/Fig-3]:

Pair wise comparison of three groups (Green coffee, Chlorhexidine, Sterile water) by Post-Hoc test.

Dependent Variable	(I) Group	(J) Group	Mean Difference (I-J)	Std. Error	p- value	95% Confidence Interval
						Lower Bound	Upper Bound
Post rinse	A. Green coffee	Chlorhexidine	4.26667	12.23732	1.000	-26.2491	34.7825
		Sterile water	-43.26667	12.23732	0.003*	-73.7825	-12.7509
	B. Chlorhexidine	Green coffee	-4.26667	12.23732	1.000	-34.7825	26.2491
		Sterile water	-47.53333	12.23732	<0.001*	-78.0491	-17.0175
	C. Sterile water	Green coffee	43.26667	12.23732	0.003*	12.7509	73.7825
		Chlorhexidine	47.53333	12.23732	<0.001*	17.0175	78.0491

^*The mean difference is significant at the 0.05 level.