. 2015 Jul-Aug;20(4):32–38. doi: 10.1590/2176-9451.20.4.032-038.oar

Table 2. Mean values of color alteration of brackets immersed in different solutions and over different periods of time.

		ΔE₁ (24h)	ΔE₂ (72h)	ΔE₃ (7d)	ΔE₄ (14d)
Clarity	Saliva	126.93	126.93	126.93	126.93
	Coke	117.53	104.93	98.06	46.38
	Coffee	109.86	90.31	54.93	42.24
	Red wine	40.5	50.84	72.94	135.31
Luxi II	Saliva	142.3	142.3	142.3	142.3
	Coke	88.41	108.6	98.19	29.68
	Coffee	78.16	48.88	74.13	58.15
	Red wine	26.84	43.42	65.63	140.72
Mystique	Saliva	116.47	116.47	116.47	116.47
	Coke	120.81	135.18	129.67	36.67
	Coffee	78.19	67.65	59.67	37.43
	Red wine	58.61^b	65.71	73.39	112.14
Radiance	Saliva	155.07^e	155.07^e	155.07^e	155.07^e
	Coke	173.45^be	166.85^abe	175.58^abce	55.92
	Coffee	96.95	74.78	40.79	85.03
	Red wine	80.52^abe	75.39^b	65.96	97.34
Transcend	Saliva	111.65	111.65	111.65	111.65
	Coke	75.57	93.5	96.78	50.92
	Coffee	44.74	45.6	44.12	94.18^c
	Red wine	40.56	67.13	61.98	126.09

ANOVA and Bonferroni correction. Statistically significant differences (p < 0.05) between bracket brands are represented by letters.