Table 1.

Mean ± standard deviationΔE00 values for the study groups.

	Universal		Clear		Brown		White		Opaque
	0.5 mm	0.7 mm	0.5 mm	0.7 mm	0.5 mm	0.7 mm	0.5 mm	0.7 mm	0.5 mm	0.7 mm
Cervical	3.24 ± 0.62	1.75 ± 0.60	2.45 ± 0.46	1.62 ± 0.76	3.91 ± 0.66	2.25 ± 0.50	2.32 ± 1.59	2.82 ± 0.85	3.40 ± 1.71	2.72 ± 0.99
Body	3.82 ± 0.59	2.59 ± 0.59	3.40 ± 0.54	2.24 ± 0.81	4.51 ± 0.56	3.27 ± 0.45	2.55 ± 1.87	3.17 ± 0.91	3.69 ± 1.86	2.54 ± 1.11
Incisal	4.17 ± 0.51	3.08 ± 0.57	4.01 ± 0.67	2.79 ± 0.93	5.04 ± 0.45	3.69 ± 0.69	2.46 ± 1.57	2.86 ± 0.54	5.50 ± 1.04	3.78 ± 0.91
Total	3.74 ± 0.67	2.47 ± 0.79	3.29 ± 0.85	2.22 ± 0.94	4.49 ± 0.72	3.07 ± 0.81	2.44 ± 1.62	2.95 ± 0.77	4.20 ± 1.78	3.01 ± 1.11