Systems Mean Differences (µm) Standard Deviations(µm) 3M Lava C.O.S. 36 µm 19 µm CERECBluecam 68 µm 12 µm E4D Dentist 84 µm 4 µm 3Shape D900 44µm 18 µm Cadent iTero 23 µm 3 µm

Table 1: Mean differences and standard deviations of the study groups.