Table 1: Pre-and post-treatment cephalometric analysis.
Measurement | Norms | Pre-treatment | Post-treatment |
Inclination of SN to FH | 7° | 14° | 13.9° |
SNA (°) | 82° | 76.9° | 76.1° |
SNB (°) | 80° | 72.7° | 72.8° |
ANB (°) | 2° | 4.1° | 3.3° |
Wits appraisal (mm) | 0° | 4.3 mm | 2.4 mm |
Facial angle (NPg-FH) (°) | 87.8° | 83.9° | 82.5° |
Angle of convexity (NA-APg) (°) | 0° | 2.2° | 1.0° |
Mandibular plane (SN - GoGn) (°) | 32.9° | 36° | 35.1° |
LFH/TFH (ANS-Me/N-Me) % | 55% | 57.20% | 56.30% |
Occlusal plan-SN | 14° | 16.9° | 18.9° |
U1-Palatal plane (ANS-PNS) | 110° | 113.1° | 99.9° |
U1-NA (°) | 22° | 32° | 18.5° |
U1-NA (mm) | 4 mm | 7.4 mm | 1.0 mm |
L1-NB (°) | 25° | 27.9° | 18.4° |
L1-NB (mm) | 4 mm | 5.5 mm | 1.8 mm |
FMA (°) | 25° | 27.9 | 31.3 |
FMIA (°) | 65° | 53 | 61.7 |
IMPA (°) | 90° | 99.1° | 89.5° |
Nasolabial angle (°) | 90-110° | 106° | 117.3° |
Upper lip to esthetic plane | -4 mm | -3.7 mm | -7.1 mm |
Lower lip to esthetic plane | -2 mm | -4.2 mm | -6.7 mm |
SN: sella nasion plan; FH: frankfort horizontal; A: point A; B: point B; Pg: pogonion; LFH: lower face height; TFH: total face height; ANS: anterior nasal spine; PNS: posterior nasal spine; Me: menton; U1: upper central incisor; L1: lower central incisor; FMA: frankfort mandibular angle; FMIA: frankfort mandibular incisor angle; IMPA: incisor mandibular plane angle.