Three-dimensional evaluation of root dimensions and alveolar ridge width of maxillary lateral incisors in patients with unilateral agenesis

Progress in Orthodontics

Table 5 Bone thickness parameters measured from axial sections

	Group	Mean	SD	25th percentile	50th percentile	75th percentile	p
Axial method
Labial bone thickness (mm)
2 mm apical to CEJ	MLIA	0.00	0.00	0.00	0.00	0.00	0.15
2 mm apical to CEJ	Control	0.11	0.34	0.00	0.00	0.00	0.15
4 mm apical to CEJ	MLIA	0.41	0.64	0.00	0.00	1.10	0.083
4 mm apical to CEJ	Control	0.72	0.61	0.35	0.60	1.00	0.083
6 mm apical to CEJ	MLIA	1.13	0.47	0.90	1.20	1.30	0.662
6 mm apical to CEJ	Control	1.15	0.62	1.00	1.25	1.50	0.662
10 mm apical to CEJ	MLIA	1.53	0.64	1.20	1.20	2.00	0.296
10 mm apical to CEJ	Control	1.64	0.73	1.25	1.40	1.85
Palatal bone thickness (mm)
2 mm apical to CEJ	MLIA	0.13	0.35	0.00	0.00	0.00	0.944
2 mm apical to CEJ	Control	0.08	0.26	0.00	0.00	0.00
4 mm apical to CEJ	MLIA	0.77	0.76	0.00	0.60	1.40	0.404
4 mm apical to CEJ	Control	0.98	0.74	0.45	0.90	1.35
6 mm apical to CEJ	MLIA	1.64	1.08	0.90	1.10	2.10	0.803
6 mm apical to CEJ	Control	1.54	0.85	0.95	1.45	1.90
10 mm apical to CEJ	MLIA	2.83	1.69	1.40	2.60	4.20	0.618
10 mm apical to CEJ	Control	2.36	1.59	1.35	1.75	3.45
Total labiopalatal bone thickness (mm)
2 mm apical to CEJ	MLIA	0.13	0.35	0.00	0.00	0.00	0.631
2 mm apical to CEJ	Control	0.20	0.46	0.00	0.00	0.00
4 mm apical to CEJ	MLIA	1.17	1.30	0.00	0.60	2.80	0.190
4 mm apical to CEJ	Control	1.71	0.75	1.40	1.75	2.20
6 mm apical to CEJ	MLIA	2.78	1.16	1.80	2.40	3.40	0.771
6 mm apical to CEJ	Control	2.69	0.91	2.10	2.40	3.00
10 mm apical to CEJ	MLIA	4.36	1.84	2.50	4.30	6.10	0.693
10 mm apical to CEJ	Control	4.00	1.46	3.20	3.95	4.40