Evaluation of a Three-Stage Method for Improving Mandibular Retrognathia with Labially Inclined Incisors Using Genioplasty, Segmental Osteotomy, and Two-Jaw Surgery
Table 1
Cephalometric analysis.
T1
T2
T3
T4
T5
Case 1
SNA
82.7
82.6
81.3
81.7
81.8
SNB
68.0
68.7
70.1
70.2
71.4
ANB
14.7
13.8
11.3
11.5
10.4
SN-Pog
65.8
70.1
69.1
69.1
70.6
SN-Mp
60.2
51.1
52.3
52.1
54.0
SN-Occ
26.3
27.1
27.3
27.8
32.3
Interincisal
115.6
115.5
123.1
126.3
129.6
L1-Mp
89.0
97.5
92.9
90.8
91.2
Case 2
SNA
74.7
74.2
74.5
74.1
73.7
SNB
63.9
62.6
66.4
67.6
70.3
ANB
10.9
11.6
8.1
6.5
3.3
SN-Pog
64.4
66.6
66.8
67.7
71.0
SN-Mp
53.4
52.1
51.0
49.0
49.1
SN-Occ
19.6
29.0
29.3
24.4
23.5
Interincisal
99.9
122.3
120.4
105.3
117.3
L1-Mp
95.8
101.0
100.4
95.7
93.2
Case 3
SNA
86.7
86.1
86.3
86.2
86.0
SNB
72.0
70.0
74.7
73.8
77.2
ANB
14.7
16.1
11.6
12.4
8.8
SN-Pog
69.4
72.5
73.2
72.6
76.4
SN-Mp
54.5
52.4
50.1
52.0
48.6
SN-Occ
18.4
24.3
23.5
24.0
25.3
Interincisal
106.2
113.5
115.2
117.4
115.4
L1-Mp
95.0
97.3
93.0
91.4
96.4
T1: immediately before genioplasty; T2: immediately after genioplasty; T3: immediately after periapical segmental alveolar osteotomy; T4: immediately before two-jaw surgery; T5: at debonding.
