Table 2.

Means and Standard Deviation for CBCT Measurements Between T0 and T1 (*P < .05).

Region	T0	T1	△T1–T0	P Value
Nasal cavity width (mm)
1° PM	24.70 (2.15)	28.17 (2.80)	3.47	.001*
1° M	26.22 (2.64)	28.4 (2.59)	2.2	.003*
Midpalatal suture opening (mm)
1° PM	0 (0)	4.7 (1.49)	4.7	<.001*
1° M	0 (0)	4 (1.17)	4	<.001*
Interdental distance (mm)
1° PM	36.48 (3.3)	42.38 (3.82)	3.59	<.001*
1° M	47.33 (3.45)	52.67 (3.50)	5.34	<.001*
Tooth inclination (degrees)
1° PM	98.66 (6.00)	100.49 (7.43)	1.83	.173
1° M	98.23 (6.29)	101.85 (5.61)	3.61	.011*
Alveolar bone width (mm)
1° PM	46.38 (2.99)	49.97 (2.5)	3.59	<.001*
1° M	57.67 (2.29)	61.55 (2.84)	3.88	<.001*

CBCT indicates cone-beam computed tomography.