Table 2.

Chemical content of the tested materials determined with EDS analysis

Materials tested	Chemical content according to EDS analysis
LAVA Ultimate	82.1% inorganic (69% SiO2, 31%ZrO2), 17.9% organic
Vita Enamic	83.2% inorganic (64.2% SiO2, 20.6% Al2O3, 8.6% Na2O, 6.5%K2O), 16.8% organic
VITA Mark II	64% SiO2, 20% Al2O3, 9% Na2O, 6% K2O
IPS Empress CAD	64.9% SiO2, 16.25% Al2O3, 11.85% K2O, 5.37% Na2O, 1.56% CaO
IPS e.max CAD	80.1% SiO2, 11.9% Li2O, 4.8% P2O5, 4.4% K2O, 4.4% Al2O3