Comparative study on long-term stability in mandibular sagittal split ramus osteotomy: hydroxyapatite/poly-l-lactide mesh versus titanium miniplate

Maxillofacial Plastic and Reconstructive Surgery

Table 5 Comparison of long-term result change (T4-T3) on absorbable group and titanium group

Parameters	Absorbable group (n = 16)		Titanium group (n = 14)		P value
Parameters	Mean	P value	Mean	P value	P value
Horizontal measurements
VRP-B (mm)	0.28 ± 2.44	0.605	− 0.65 ± 3.81	0.975	0.728
Vertical measurements
HRP-B (mm)	0.33 ± 2.10	1.000	1.38 ± 2.36	0.048†	0.142
Angular measurements
SNB	0.20 ± 0.80	0.816	0.00 ± 0.64	0.683	1.000
Articular angle	− 1.14 ± 3.73	0.148	− 0.22 ± 2.90	0.754	0.790
Gonial angle	0.25 ± 2.28	0.365	− 0.19 ± 2.07	0.778	0.423
Mandibular plane angle	0.58 ± 1.22	0.121	− 0.30 ± 1.74	0.397	0.064