Aesthetic Reconstruction of Onco-surgical Mandibular Defects Using Free Fibular Flap with and without CAD/CAM Customized Osteotomy Guide: A Randomized Controlled Clinical Trial

Table 3 Comparison of the mean difference (Sagittal, Coronal and Axial DAn) and symmetry according to group

Differential and symmetry angle _{(affected /contralateral side)}		COG group		MB group		P-value
		Mean (°)	± SD	Mean (°)	± SD	P-value
Sagittal	DAn (Δ)	6.11	± 3.46	9.53	± 4.17	0.049*
Sagittal	Symmetry angle	1.09	± 0.13	1.15	± 0.19	0.389
Coronal	DAn (Δ)	1.77	± 1.12	3.44	± 2.34	0.046*
Coronal	Symmetry angle	1.00	± 0.03	1.03	± 0.05	0.083
Axial	DAn (Δ)	2.60	± 0.74	2.93	± 0.97	0.386
Axial	Symmetry angle	1.05	± 0.10	1.11	± 0.09	0.185

Abbreviations: COG Customized osteotomy guide, DAn Differential angle, MB Model-based, Δ Mean difference; (°) Degrees; * Significant P-value