Three dimensional evaluation of soft tissue after orthognathic surgery

Head & Face Medicine

Table 5 The relative ratio of soft tissue movement to bony movement in the anteroposterior direction and three-dimensional changes of perioral soft tissue after BSSRO

Landmarks	Soft tissue/bony movement (%)	X-axis			Y-axis			Z-axis
Landmarks	Soft tissue/bony movement (%)	mean	SD	P-value	Mean	SD	P-value	Mean	SD	P-value
Ch (L)	37%	0.45	0.60	0.09	0.26	1.27	0.60	− 0.18	0.88	0.60
Ch (R)	25%	−0.04	1.19	0.94	−0.33	0.54	0.16	−0.62	0.91	0.13
L4	57%	1.16	1.71	0.12	−13.89	3.94	0.39	−3.77	1.67	^*0.00
R4	52%	3.32	11.19	0.46	11.60	3.14	0.37	−3.44	1.05	^*0.00
Li	66%	−0.26	0.82	0.44	11.48	3.11	0.37	−4.35	1.25	^*0.03
6	114%	−1.17	1.64	0.11	1.08	1.07	^*0.04	−7.50	2.14	0.39
7	11%	0.51	1.68	0.45	0.82	2.06	0.44	0.73	0.74	^*0.04
8	55%	−1.26	2.15	0.17	16.70	45.04	0.37	3.61	1.30	^*0.00
9	309%	1.08	1.47	0.10	−0.12	1.36	0.82	20.39	44.57	0.27
B′	73%	− 0.54	0.69	0.08	−0.91	1.33	0.12	4.82	2.13	^*0.00

SD standard deviation
Asterisks indicate statistical significance between the values of pre- and post-operative measurement (P < 0.05)

ISSN: 1746-160X