[Table/Fig-2]:

Comparison of before rinse and after rinse Streptococcus mutans colony counts within the three groups (Green coffee, Chlorhexidine, Sterile water) using paired t- test.

Group			Mean	Std. Deviation	Std. rror Mean	t	df	Sig. (2-tailed)
A. Green coffee	Pair 1	pre-post rinse	51.53333	32.98672	8.51713	6.051	14	<0.001*
B. Chlorhexidine	Pair 1	pre- post rinse	55.60000	27.56499	7.11725	7.812	14	<0.001*
C. Sterile water	Pair 1	pre- post rinse	6.86667	16.31768	4.21321	1.630	14	0.125

^*Statistically significant.