Table 2.

Intra-Group Comparison of the Mean ΔE Values at Baseline, 30 and 60 Days

Type of Composite	Test Solution	ΔE at Baseline Mean (±SD)	ΔE at 30 Days Mean (±SD)	Δ E at 60 Days Mean (±SD)	p-value	Post-Hoc Test
Group 1 (Brilliant EverGlow)	Artificial saliva	27.78±1.79	29.73±0.56	29.14±1.24	<0.001	B<30,60
	Green tea	28.95±1.73	32.68±2.03	33.75±1.66	<0.001	B<30<60
	Tulsi tea	28.25±1.74	29.75±2.25	30.93±1.21	<0.001	B<60
	Areca tea	28.35±1.63	32.65±1.20	35.20±1.14	<0.001	B<30<60
Group 2 (Brilliant NG)	Artificial saliva	30.28±1.36	30.85±1.26	31.08±1.10	<0.001	B<30,60
	Green tea	31.16±0.93	32.90±0.18	33.19±.16	<0.001	B<30<60
	Tulsi tea	30.68±0.53	32.42±0.57	33.15±0.81	<0.001	B<30<60
	Areca tea	30.57±1.04	32.30±0.67	33.47±1.29	<0.001	B<30<60

Notes: Repeated Measures ANOVA with post-hoc Bonferroni test; B, baseline; 30, 30 days; 60, 60 days.