Table 1. Initial (A) and final (B) cephalometric values.
Measurements | Normal | A | B | Dif. A/B | ||
Skeletal pattern | SNA | (Steiner) | 82° | 80° | 80° | 0 |
SNB | (Steiner) | 80° | 80° | 80° | 0 | |
ANB | (Steiner) | 2° | 0 | 0 | 0 | |
Wits | (Jacobson) | ♀ 0 ± 2mm | -2.5mm | -2.5mm | 0 | |
♂ 1 ± 2mm | ||||||
Angle of convexity | (Downs) | 0° | -1° | -2° | -1 | |
Y-axis | (Downs) | 59° | 61° | 61° | 0 | |
Facial angle | (Downs) | 87° | 88° | 88° | 0 | |
SN.GoGn | (Steiner) | 32° | 36° | 36° | 0 | |
FMA | (Tweed) | 25° | 28° | 28° | 0 | |
Dental pattern | IMPA | (Tweed) | 90° | 86° | 82° | -4 |
1.NA (degrees) | (Steiner) | 22° | 27° | 31° | 4 | |
1-NA (mm) | (Steiner) | 4 mm | 7mm | 9mm | 2 | |
1.NB (degrees) | (Steiner) | 25° | 20° | 15° | -5 | |
1-NB (mm) | (Steiner) | 4 mm | 6mm | 6mm | 0 | |
- Interincisal angle | (Downs) | 130° | 134° | 135° | 1 | |
- Apo | (Steiner) | 1 mm | 4mm | 4.5mm | 0.5 | |
Profile | Upper lip - S-line | (Steiner) | 0 | -2mm | -2mm | 0 |
Lower lip - S-line | (Steiner) | 0 | 1mm | 1mm | 0 |