Progress in Orthodontics

Table 3 Comparisons of cephalometric measurements of patients with oligodontia at stage I and stage II

From: Examination of craniofacial morphology in Japanese patients with congenitally missing teeth: a cross-sectional study

	Stage I (CS2 or 3)					Stage II (CS4 or above)
	Control (n = 31)		Oligodontia (n = 27)		P value	Control (n = 32)		Oligodontia (n = 23)		P value
	Mean	S.D.	Mean	S.D.	P value	Mean	S.D.	Mean	S.D.	P value
Angular measurements
SNA	0.04	0.99	− 0.14	0.79	0.450	− 0.04	1.14	− 0.61	1.13	0.072
SNB	1.10	1.47	1.32	1.51	0.580	0.21	1.30	0.00	1.55	0.583
A-B plane angle	1.63	0.92	1.89	1.92	0.512	0.36	0.75	0.56	2.02	0.594
Mandibular plane angle	− 1.16	1.64	− 1.24	0.99	0.830	− 0.08	1.00	− 0.25	1.11	0.556
Gonial angle	− 0.27	1.72	− 1.54	2.33	0.020*	0.11	1.19	0.48	1.62	0.340
Ramus inclination	− 0.73	1.22	− 0.44	1.44	0.422	− 0.37	1.12	− 0.92	1.46	0.120
U1 to FH plane	2.06	2.41	1.62	3.82	0.595	1.44	1.31	− 0.43	1.74	0.000**
L1 to mandibular plane	− 0.17	1.13	− 0.07	0.97	0.713	− 0.09	1.27	− 1.73	1.90	0.000**
Linear measurements
Ba-N	0.79	1.29	0.93	1.18	0.671	− 0.55	1.27	0.06	1.35	0.094
Ptm-A	− 0.24	1.47	− 0.39	0.84	0.634	0.87	0.64	− 0.04	0.80	0.000**
Ar-Go	0.99	1.25	0.71	1.19	0.385	0.62	1.57	0.50	1.55	0.784
Go-Pog	0.57	0.95	0.71	0.96	0.586	1.39	1.40	0.60	1.36	0.041*
N-Me	0.83	1.32	0.48	1.39	0.333	0.46	1.32	0.15	1.38	0.411
ANS-Me	− 0.13	1.01	− 1.12	1.08	0.001**	− 0.29	0.87	− 0.72	1.03	0.105
ANS-U1	− 0.69	1.10	− 1.55	1.70	0.025*	− 1.25	1.18	− 0.92	1.54	0.372
U1-L1	− 0.66	1.73	0.10	2.36	0.164	− 1.09	1.53	0.98	1.86	0.000**

Each number represents the Z-score [(measurement-norm)/SD]. *P < 0.05, **P < 0.01

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