Three dimensional evaluation of soft tissue after orthognathic surgery

Head & Face Medicine

Table 3 The relative ratio of soft tissue movement to bony movement in the anteroposterior direction and three-dimensional changes of perioral soft tissue after Le Fort I advancement & 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
Cph (L)	22%	−0.21	0.54	0.19	0.36	1.54	0.42	0.53	1.72	0.07
Cph (R)	31%	0.19	0.54	0.24	0.29	1.09	0.35	0.73	1.52	^*0.02
Ls	21%	−0.07	0.17	0.16	2.85	8.55	0.25	0.51	1.87	^*0.00
Lip (L1)	14%	0.11	1.16	0.73	0.46	1.39	0.26	0.34	1.80	^*0.00
Lip (R1)	32%	−0.01	0.91	0.98	1.01	2.57	0.19	0.77	1.53	^*0.00
Ch (L)	35%	0.63	1.05	0.05	0.94	1.88	0.10	−1.72	3.17	0.29
Ch (R)	47%	1.24	5.77	0.45	0.80	2.88	0.34	−2.35	3.20	0.11
1	40%	0.04	0.25	0.57	−0.11	0.87	0.67	−0.96	1.46	^*0.04
2	39%	0.29	0.61	0.11	0.31	0.55	0.07	−0.93	37.24	0.39
3	34%	0.39	0.51	^*0.02	−0.09	0.88	0.71	−0.82	1.44	0.62
4	26%	0.18	0.82	0.45	−0.02	0.88	0.95	−0.63	1.61	0.18
5	20%	0.08	0.83	0.74	0.14	0.93	0.59	−0.49	1.87	0.37
Al (L)	31%	1.23	0.80	^*0.00	0.02	0.36	0.88	0.74	0.09	^*0.01
Al (R)	33%	2.89	5.51	^*0.04	0.14	0.47	0.29	0.78	1.06	^*0.02
Ac (L)	18%	−5.17	13.75	0.20	−1.87	12.03	0.59	0.44	7.85	0.84
Ac (R)	29%	1.66	10.43	0.13	−3.82	15.25	0.38	0.70	5.70	0.67
Sn	115%	0.04	1.72	0.93	−2.05	11.91	0.52	−2.74	4.03	^*0.03
Pn	18%	−0.04	0.37	0.72	0.02	0.22	0.71	0.43	0.43	^*0.00

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

ISSN: 1746-160X