Table 2.

Average thicknesses of specimens of various specimen assemblies with different core-veneer combinations.

GroupA	Core + Veneer	Mean	SD
EM 1	0.8 + 0.7	1.502	0.001
EM 2	1.0 + 0.5	1.511	0.002
EM 3	1.2 + 0.3	1.503	0.001
EP 1	0.8 + 0.7	1.504	0.001
EP 2	1.0 + 0.5	1.504	0.002
EP 3	1.2 + 0.3	1.508	0.002

^AEM: lithium disilicate glass-ceramic, EP: leucite-reinforced glass-ceramic