Table 2.

Mean differences between CBCT and “Gold Standard” volumetric (cm³) and linear measurements (mm), Confidence Interval (CI) 95%, paired t-test (p-value), linear regression model results (R² value), slope and intercept.

	Difference CBCT – Gold Standard		CI 95%		p-value	R2	Slope [CI 95%]	Intercept [CI 95%]
	Mean	SD	Lower Limit	Upper Limit
Volume (cm3)	−0.010	0.095	−0.071	0.049	0.711	0.922	0.911 [0.724 1.098]	0.110 [−0.150 0.369]
L1 (mm)	−0.004	0.027	−0.022	0.013	0.606	0.981	1.032 [0.931 1.133]	−0.072 [−0.288 0.144]
L2 (mm)	0.019	0.084	−0.035	0.072	0.458	0.702	0.999 [0.541 1.457]	0.020 [−0.368 0.408]
L3 (mm)	0.002	0.054	−0.032	0.037	0.876	0.969	0.768 [0.631 0.906]	0.132 [0.052 0.212]