Figure 4. Replicas' thickness (n=80 for each measurement technique) for the light microscopy measurements (LMMs) and for the computer-assisted measurements (CASMs); I1.2= second measurements of the first investigator (LMM); I2.1= measurement of the second investigator (LMM); I1 and I2= measurements of the first and second investigators (CASM); Measurement points: marginal-buccal (ma-b), marginal-distal (ma-d), axial-buccal (ax-b), incisal (inc).