Table 2 Cephalometric measurements
From: Inclination of mandibular incisors and symphysis in severe skeletal class III malocclusion
Variable | Low-angle group(n = 29) | Normal-angle group(n = 104) | High-angle group(n = 65) | |||
|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | |
SNA(°) | 83.61 | 3.89 | 81.33 | 3.44 | 78.97 | 3.15 |
SNB(°) | 90.49 | 3.77 | 87.80 | 4.01 | 84.04 | 3.20 |
ANB(°) | -6.87 | 2.14 | -6.49 | 2.15 | -5.07 | 1.36 |
U1-NA(°) | 41.47 | 17.78 | 38.32 | 18.93 | 37.87 | 20.88 |
SN-OP(°) | 6.15 | 6.90 | 12.88 | 4.18 | 19.19 | 4.51 |
L1-NB(°) | 15.57 | 6.43 | 16.49 | 7.04 | 19.89 | 7.78 |
U1-L1(°) | 132.48 | 10.29 | 135.88 | 15.68 | 131.70 | 11.53 |
U1-SN(°) | 122.44 | 8.77 | 116.41 | 8.78 | 112.46 | 6.62 |
MP-SN(°) | 24.08 | 3.47 | 33.07 | 3.06 | 41.98 | 3.70 |
FH-MP(°) | 18.73 | 4.17 | 26.03 | 4.03 | 32.99 | 5.08 |
MIA(°) | 3.70 | 5.26 | 3.52 | 5.61 | 2.33 | 5.97 |
IMPA(°) | 80.78 | 7.04 | 75.51 | 7.67 | 73.85 | 7.92 |