Case Report
Combined Orthodontic and Surgical Management for Treatment of Severe Class III Malocclusion with Anterior and Posterior Crossbites
| | Measurement | Mean (±Sd) | Patient | | Initial | Final |
| | Ant-posterior | SNA (°) | 82° (±3.3) | 76.2 | 80 | | SNB (°) | 80° (±3.1) | 82.1 | 79 | | ANB (°) | 2° (±1.7) | -5.9 | 1 | | Wits (mm) | (±1.9)
(±1.77) | -16.1 mm | -2 | | Angle of convexity NA-APg (°) | 0° (±5.1) | -11 | -1 | | A-B plane AB : NPg (°) | -4.6° (±3.7) | 10 | -2 |
| | Vertical | MP (Go-Gn) : SN (°) | 32° (±3.5) | 44 | 43 | | MP (tangent lower border) : FH (°) | 21.9° (±3.2) | 31 | 31 | | Pg : NB (mm) | 4 (±2) | -1.5 mm | 3.6 mm | | -axis (SGn : FH) | 59.4° (±3.8) | 69 | 70 | | LAFH (ANS to to Gn) | .57 (±0.02) | 56% | 56 | | OP : SN (°) | 14° (±4.1) | 21.8 | 21.1 |
| | Dental | | U1 to palatal plane (°) | 109° (±6) | 102.6 | 105.9 | | U1 to NA (°) | 22° (±6.1) | 26.4 | 27.2 | | U1 to NA (mm) | 4 (±1.2) | 5 mm | 6 mm | | L1 to NB (°) | 25° (±4.5) | 15.1 | 15.1 | | L1 to NB (mm) | 4 (±1.5) | 2 mm | 3 mm | | U1 to L1 (°) (Avg. Downs and Steiner) | 131.7° (±6.5) | 144 | 137 | | L1 : APg (mm) | 1 (±2) | 7 mm | 1 mm | | FMA (°) | 25° (16-35) | 31 | 31 | | FMIA (°) | 65° (60-75) | 80 | 75 | | IMPA (°) | 90° (85-95) | 69 | 74 |
| | Soft tissue | | Facial angle (FH : N’Pg’) (°) | 90-92° | 94 | 92 | | Nasolabial angle (°) | 90-110° | 113 | 88 | | Esthetic plane (E-line)–upper lip | -4 mm | -13 mm | -6 mm | | Esthetic plane (E-line)–lower lip | -2 mm | 0 mm | -3 mm |
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