Table 2 Descriptive analysis (mean and standard deviation) of the cephalometric measurements at T0 (pre-treatment), T1 (post-facemask treatment) and T2 (long-term follow up)
Outcome | T0 | sd | T1 | sd | T2 | sd |
|---|---|---|---|---|---|---|
A-VerT (mm) | 53.22 | 5.1 | 56.73 | 6.1 | 55.99 | 4.5 |
B-VerT (mm) | 50.23 | 6.2 | 50.50 | 7.4 | 49.45 | 8.0 |
ANS-Ptm (mm) | 46.89 | 3.7 | 50.51 | 4.5 | 51.51 | 3.7 |
PNS-Ptm (mm) | 2.36 | 1.1 | 3.47 | 1.7 | 3.90 | 1.2 |
Pr-VerT (mm) | 54.73 | 5.8 | 58.72 | 6.7 | 56.54 | 5.8 |
Id-VerT (mm) | 53.18 | 6.0 | 54.03 | 7.6 | 53.03 | 7.2 |
Pg-VerT (mm) | 50.66 | 6.8 | 51.52 | 8.2 | 50.61 | 8.7 |
Wits appraisal (mm) | − 5.46 | 4.0 | − 0.27 | 4.7 | − 2.51 | 3.1 |
U6 vert PP (mm) | 19.53 | 2.4 | 20.27 | 2.3 | 21.14 | 3.5 |
U6 mesialization (mm) | 28.49 | 5.8 | 30.83 | 7.0 | 29.93 | 6.5 |
SNA (°) | 79.72 | 3.8 | 82.76 | 3.3 | 82.25 | 3.6 |
SNB (°) | 80.26 | 4.0 | 79.44 | 3.6 | 81.13 | 3.5 |
ANB (°) | − 0.56 | 2.4 | 3.31 | 2.3 | 1.12 | 2.0 |
PP-GoGn (°) | 25.70 | 5.9 | 27.30 | 5.6 | 21.74 | 5.6 |
U1-PP (°) | 111.9 | 6.1 | 109.7 | 6.8 | 115.4 | 7.2 |
SN-PP (°) | 7.367 | 3.0 | 6.663 | 2.4 | 7.141 | 2.7 |
SN-GoGn (°) | 33.09 | 5.6 | 33.99 | 5.5 | 28.90 | 5.6 |