Orthodontic-surgical treatment for severe skeletal class II malocclusion with vertical maxillary excess and four premolars extraction: A case report

Table 1 Comparison of pre-treatment and post-treatment cephalometric values

Measurements	Normal	Pre-treatment	Post-treatment	Difference
SNA°	83.77 ± 2.85	87.4	84.8	2.6
SNB°	79.78 ± 2.98	75.9	78.1	-2.2
ANB°	3.79 ± 1.88	11.5	6.7	4.8
SN-MP°	34.85 ± 4.09	31.8	29.1	2.7
S-Go/N-Me	67.02 ± 3.97	90.3	89.3	1
ANS-Me/N-Me	53.05 ± 1.83	66.3	67.3	-1
U1-L1°	120.62 ± 9.12	143.3	122.9	20.4
U1-NA (mm)	4.44 ± 2.36	-6.1	1.3	-7.4
U1-NAº	23.69 ± 5.74	-5.5	15.7	-21.2
L1-NB (mm)	6.84 ± 2.65	8.3	7.5	0.8
L1-NBº	31.90 ± 6.09	30.7	34.7	-4
UL-EP (mm)	2.16 ± 2.01	1.6	-1.6	3.2
LL-EP (mm)	3.17 ± 2.73	4.3	0.6	3.7
Z angle	71.22 ± 4.76	52.5	64.3	-11.8

SNA: Sella-nasion-A point; SNB: Sella-nasion-B point; ANB: A point-nasion-B point; SN-MP: Sella-nasion-mandibular plane; S-Go: Sella-gonion; N-Me: Nasion-menton; ANS-Me: Anterior nasal spine-menton; U1-L1: Upper incisor to lower incisor; U1-NA: Upper incisor to nasion-A point line; L1-NB: Lower incisor to nasion-B point line; UL-EP: Upper labrale-aesthetic plane; LL-EP: Lower labrale-aesthetic plane.