TABLE 3. Gingival Index (GI) means and standard deviation on day 0 and day 21 for the control and test groups.

	Control	Test
Day 0	0.05 + 0.10 A,a	0.03 + 0.09 A,a
Day 21	0.31 + 0.35 A,b	0.13 + 0.16 B,a

Means followed by the same uppercase letters on day 0 and day 21 do not differ statistically (p>0.05). Means followed by different lowercase letters in the same column differ statistically (p<0.01).