Three dimensional evaluation of soft tissue after orthognathic surgery

Head & Face Medicine

Table 4 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 setback & 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)	25%	− 0.32	0.56	0.13	0.39	1.26	0.38	−0.52	0.92	0.13
Cph (R)	19%	0.33	0.44	0.06	7.23	20.66	0.32	−0.41	0.93	0.23
Ls	14%	0.09	0.41	0.52	0.27	1.29	0.55	−0.29	0.95	0.39
Lip (L1)	3%	−0.06	0.38	0.65	0.26	0.85	0.38	−0.06	0.88	0.84
Lip (R1)	16%	−0.54	1.74	0.38	0.21	0.64	0.36	−0.33	0.62	0.15
Ch (L)	22%	0.02	0.62	0.94	0.48	1.45	0.35	0.96	2.72	0.32
Ch (R)	40%	−0.52	1.02	0.17	−7.08	21.63	0.36	1.69	3.13	0.14
1	52%	0.02	0.10	0.51	−0.45	0.39	^*0.01	−1.10	0.65	^*0.00
2	40%	0.37	0.37	^*0.02	−6.79	18.91	0.31	−0.83	0.65	^*0.01
3	43%	−0.49	0.38	^*0.01	−0.51	0.58	^*0.03	−0.90	0.72	^*0.01
4	38%	0.43	0.58	0.06	−0.19	0.41	0.19	−0.80	1.01	^*0.04
5	31%	−0.28	0.40	0.07	−0.12	0.15	^*0.04	−0.64	0.73	^*0.03
Al (L)	63%	−1.26	1.29	^*0.01	−1.92	5.47	0.32	−1.32	0.93	^*0.00
Al (R)	77%	−3.42	13.50	0.47	−0.06	0.11	0.15	−1.62	2.22	0.06
Ac (L)	74%	−1.26	1.29	^*0.01	−1.92	5.47	0.32	−1.32	0.93	^*0.00
Ac (R)	84%	−3.42	13.50	0.47	−0.06	0.11	0.15	−1.62	2.22	0.06
Sn	29%	−0.09	0.12	0.06	−2.72	9.20	0.40	−0.62	1.31	0.20
Pn	15%	−0.03	0.05	0.13	0.01	0.04	0.69	−0.32	0.41	^*0.04

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

ISSN: 1746-160X