Then, it seemed of interest to assess whether IPS e.max
Press and IPS e.max CAD with different translucencies perform differently in terms of flexural strength.
Particularly, a study with a twofold objective was conducted. The first objective was to verify the manufacturer’s
claim that IPS e.max Press has higher flexural resistance
than IPS e.max CAD. The tested null hypothesis was that IPS
e.max Press and CAD measure similar flexural strengths. The
second objective was to assess the flexural resistance of specimens of IPS e.max Press and IPS e.max CAD with different
translucencies. The tested null hypothesis was that no statistically significant differences in flexural strength exist among
the different translucencies available for IPS e.max Press or
CAD