Comparison of a tridimensional cephalometric analysis performed on 3T-MRI compared with CBCT: a pilot study in adults

Maspero, Cinzia; Abate, Andrea; Bellincioni, Francesca; Cavagnetto, Davide; Lanteri, Valentina; Costa, Antonella; Farronato, Marco

doi:10.1186/s40510-019-0293-x

Progress in Orthodontics

Table 3 Three dimensional cephalometric measurements from CBCT and MRI

From: Comparison of a tridimensional cephalometric analysis performed on 3T-MRI compared with CBCT: a pilot study in adults

Measurements	CBCT^a	MRI^a	Mean difference (CBCT-MRI)	95% limits of agreement	Significance
PNS-A (mm)	48.87 ± 2.38	48.69 ± 1.74	0.18	− 2.39; 2.74	NS
Go R–Me (mm)	78.41 ± 2.31	78.56 ± 2.96	− 0.14	− 3.19; 2.90	NS
Go L–Me (mm)	78.93 ± 2.43	79.05 ± 2.47	−0.12	− 3.43; 3.20	NS
S–N (mm)	65.85 ± 1.72	65.19 ± 1.89	0.66	− 1.56; 2.88	NS
N–Me (mm)	105.13 ± 5.06	105.36 ± 4.77	− 0.23	− 3.69; 3.24	NS
N–ANS (mm)	46.68 ± 2.30	46.93 ± 2.70	− 0.25	− 1.62; 1.11	NS
ANS–Me (mm)	60.44 ± 4.56	62.22 ± 5.22	0.22	− 2.69; 3.12	NS
Go R–S (mm)	81.78 ± 4.27	81.86 ± 4.39	− 0.08	− 3.20; 3.05	NS
Go L–S (mm)	82.21 ± 3.45	81.65 ± 3.59	0.45	− 2.38; 3.28	NS
Go R–Cd R (mm)	52.31 ± 1.02	51.78 ± 1.59	0.53	− 1.99; 3.04	NS
Go L–Cd L (mm)	51.92 ± 1.33	51.45 ± 1.11	0.47	− 1.57; 2.50	NS
UI–Sag P (mm)	3.27 ± 1.11	2.95 ± 1.14	0.32	− 2.58; 3.22	NS
LI–Sag P (mm)	2.31 ± 0.87	2.05 ± 0.83	0.26	− 0.99; 1.51	NS
SNA	85.09 ± 2.73	84.74 ± 2.70	0.46	− 1.57; 2.50	NS
SNB	81.10 ± 3.11	80.80 ± 2.61	0.30	− 1.77; 2.37	NS
ANB	4.32 ± 3.76	3.86 ± 3.78	0.47	− 1.24; 2.17	NS
PNS–ANS–Go R–Me	41.90 ± 3.22	42.30 ± 3.65	− 0.41	− 3.31; 2.50	NS
PNS–ANS–Go L–Me	42.39 ± 4.11	42.65 ± 4.16	− 0.27	− 2.71; 2.18	NS
Cd R–Go R–Me	117.88 ± 2.66	117.74 ± 3.11	0.13	− 2.04; 2.30	NS
Cd L–Go L–Me	118.43 ± 2.26	118.22 ± 2.57	0.21	− 1.18; 1.60	NS
Ba–S–N	127.56 ± 3.33	127.47 ± 3.56	0.03	− 2.47; 2.52	NS
SN–PNS–ANS	9.29 ± 2.78	8.75 ± 2.75	0.54	− 1.98; 3.06	NS
SN–Go R–Me	45.27 ± 3.47	45.48 ± 3.60	0.21	− 1.56; 1.99	NS
SN–Go L–Me	44.74 ± 3.82	45.07 ± 4.35	− 0.33	− 2.78; 2.13	NS

NS not significant
^aNumerical data are given as means and standard deviations of measurements of two time points and two investigators

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