Table 3.

Means and standard deviations of CIE Lab parameters for the materials tested in the four solutions after 90 days of immersion. ΔL: changes in lightness and darkness, Δa: changes in the red-green axis, Δb: changes in the blue–yellow axis, ΔE: overall shade change.

Material	Solution	ΔL	Δa	Δb	ΔE
Filtek Z350	Tea	−6.3 ± 0.5	−2.0 ± 0.6	45.0 ± 4.7	45.5 ± 4.6 *
	Coffee	−9.7 ± 2.2	2.8 ± 1.0	16.6 ± 2.0	19.4 ± 2.8 *
	Berry juice	−2.4 ± 0.5	1.7 ± 0.5	2.4 ± 0.5	3.9 ± 0.5 *
	Distilled water	−0.7 ± 0.5	0.3 ± 0.0	−0.2 ± 0.3	0.9 ± 0.5
Filtek Bulk-Fill	Tea	−2.3 ± 0.8	−4.2 ± 0.7	22.5 ± 4.7	23.0 ± 4.7 *
	Coffee	−4.7 ± 1.3	0.4 ± 0.3	8.4 ± 2.1	9.7 ± 2.0 *
	Berry juice	−1.5 ± 0.9	1.3 ± 0.2	−0.4 ± 0.6	2.1 ± 0.7
	Distilled water	−1.2 ± 0.9	0.4 ± 0.1	−2.3 ± 0.6	2.7 ± 0.9
Tetric N-Ceram Bulk-Fill	Tea	−5.5 ± 1.7	−2.7 ± 0.8	19.6 ± 6.2	19.7 ± 1.0 *
	Coffee	−5.8 ± 0.9	−0.7 ± 0.3	9.1 ± 1.7	9.6 ± 1.3 *
	Berry juice	−4.1 ± 0.9	4.6 ± 1.4	1.3 ± 0.8	5.8 ± 1.1 *
	Distilled water	−2.9 ± 0.7	0.8 ± 0.2	−0.3 ± 0.6	2.9 ± 0.6
Sonic Fill 2	Tea	−4.6 ± 0.7	−5.3 ± 0.7	18.4 ± 1.1	20.5 ± 6.4 *
	Coffee	−5.3 ± 0.8	−1.8 ± 0.3	7.7 ± 1.5	10.8 ± 1.9 *
	Berry juice	−4.2 ± 1.0	3.9 ± 0.7	−0.9 ± 0.7	6.3 ± 1.7 *
	Distilled water	−1.5 ± 0.7	1.3 ± 0.2	−2.0 ± 0.6	3.0 ± 0.7
SDR	Tea	−2.7 ± 1.1	−3.5 ± 0.4	12.8 ± 1.2	13.5 ± 1.1 *
	Coffee	−6.8 ± 8.6	−1.5 ± 0.1	10.8 ± 1.7	14.1 ± 5.9 *
	Berry juice	−3.0 ± 1.2	6.4 ± 1.3	3.0 ± 8.5	10.7 ± 2.4 *
	Distilled water	−2.0 ± 0.0	1.0 ± 1.1	−1.5 ± 0.42	2.7 ± 0.2

* Visually detectable change (mean ΔE ≥ 3.7).