The Effect of Pterygomasseteric Sling’s Area in the Postoperative Stability after Mandibular Setback Surgery

Table 4

Pearson correlation testing for T32 forward movement group () and backward group movement ().

Variable	Forward (T32)		Backward (T32)
	Horizontal	Vertical	Horizontal	Vertical
Horizontal change (mm)
T21	−0.611	0.427	0.037	0.033
T32	1	−0.552	1	−0.224
T31	−0.226	0.235	0.440	−0.062
Vertical change (mm)
T21	0.214	−0.690	0.385	−0.359
T32	−0.552	1	−0.224	1
T31	−0.445	0.428	0.213	0.389
Area of PMS (mm^2)
T1	0.032	−0.354	0.334	0.018
T3	−0.097	0.008	0.303	0.254
T31	−0.205	0.593	−0.043	0.390

: number of patients; no movement (); PMS: pterygomasseteric sling;significant ; T21: immediate surgical change; T32: postoperative stability; T31: final surgical change.