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

Thermocycling solutions	DW Mean ± SD		Coffee Mean ± SD		Cola Mean ± SD		p-value
No.of cycles	2500	5000	2500	5000	2500	5000	p-value
Omnichroma	3.36 ± 0.28	6.56 ± 0.75	7.14 ± 1.07	8.30 ± 0.48	1.39 ± 0.23	7.00 ± 1.80	< 0.001*
Essentia	1.31 ± 0.19	2.17 ± 0.15	1.42 ± 0.28	2.44 ± 0.40	1.52 ± 0.37	2.13 ± 0.30	< 0.001*
p-value	0.009*	0.003*	< 0.001*