Table 4.

Size dependency of recognition rate

Scanner model	Smallest feature extent [mm] – recognized	Smallest feature extent [mm] – not recognized	Statistical significance (Chi Square) for fit of logistic regression model (Fig. 6)
ATOSII	0.96 ± 0.71 mm logarithmic transform: -0.3 ± 0.8 mm	0.47 ± 0.75 mm logarithmic transform: -1.4 ± 1.0 mm	p < 0.0001
QTSculptor	0.74 ± 0.77[*] mm logarithmic transform: -0.8 ± 1.0[#] mm	0.28 ± 0.24[*] mm logarithmic transform: -1.7 ± 1.0[#] mm	p < 0.0183