Rational durability of optical properties of chameleon effect of Omnichroma and Essentia composite thermocycled in black dark drinks (in vitro study)

Bulletin of the National Research Centre

Table 4 The water solubility values in (μg/mm.³) after TC 2500 and 5000 of Omnichroma and Essentia composite

Immersion solutions	DW Mean ± SD		Coffee Mean ± SD		Cola Mean ± SD		p− value
No.of cycles	2500	5000	2500	5000	2500	5000	p− value
Omnichroma	− 8.29 ± 0.81	− 2.36 ± 0.99	− 5.58 ± 0.86	− 2.33 ± 0.67	− 1.69 ± 0.53	2.11 ± 0.47	< 0.001
Essentia	− 2.72 ± 0.71	2.76 ± 0.77	3.22 ± 0.30	6.39 ± 0.80	2.20 ± 0.34	4.71 ± 0.82	< 0.001
p− value	0.009	0.003	< 0.001*