Postoperative Skeletal Stability and Pharyngeal Airway: Counterclockwise versus Clockwise Rotation during Mandibular Setback Surgery

Table 1

The clockwise and counterclockwise rotation of mandibular setback in the immediate surgical change (T21) by Student’s t-test.

Variables	Clockwise		Counterclockwise		Intergroup group comparison
	Mean	SD	Mean	SD	value
C4C2-SN angle	4.93	4.60	3.18	1.08	0.42	—
Palatal angle	4.60	9.20	0.33	6.22	0.08	—
Soft palate width	0.27	3.33	0.17	1.96	0.87	—
Soft palate length	1.44	3.00	2.13	3.22	0.11	—
Pharyngeal airway
NOP	−0.42	3.36	−1.04	1.73	0.48	—
UOP	−3.17	2.76	−2.11	2.69	0.25	—
TOP	−2.80	4.36	−2.77	3.82	0.98	—
EOP	−0.90	4.56	0.17	2.45	0.44	—
Hyoid
Horizontal	−5.70	7.05	−4.05	6.58	0.46	—
Vertical	10.16	5.78	8.79	5.28	0.35	—
Menton
Horizontal	−12.62	4.81	−13.40	3.70	0.58	—
Vertical	3.87	5.24	−0.06	4.69	0.04

Statistically significant; ; —: not significant.