Table 3. Comparison of ∆a, ∆b, and ∆L between the study groups for evaluation of staining potential.

	Study groups (mouthrinses)	Mean	SD	Min	Max	ANOVA
						F	p-value
ΔL	0.2%GI	-3.88	2.24	-8.66	-0.63	38.33	<0.001*
	0.1%turmeric	-4.12	3,.53	-12.29	1.92
	0.2%chlorhexidine	-16.93	8.57	-32.85	-2.7
	Distilled water	0	0	0	0
Δa	0.2%GI	1.72	0.8	0.01	2.76	27.73	<0.001*
	0.1%turmeric	1.79	1.28	0.16	4.71
	0.2%chlorhexidine	3.86	1.86	1.6	8.06
	Distilled water	0	0	0	0
Δb	0.2%GI	-5.79	2.64	-9.98	-0.66	28.6	<0.001*
	0.1%turmeric	-4.96	4.44	-16.28	0.38
	0.2%chlorhexidine	4.27	4.74	-4.24	11.63
	Distilled water	0	0	0	0

ANOVA statistical test.

*p<0.05 Statistically Significant, p>0.05 Non Significant, NS