Table 2.
Cephalometric Variables Before (T1) and After (T2) Molar Intrusiona
| Variables |
T1 |
T2 |
ΔT2–T1 |
P Value |
| Sagittal parameters | ||||
| SNA, ° | 81.1 ± 3.3 | 81.0 ± 3.3 | 0.1 ± 0.3 | .374 |
| SNB, ° | 76.4 ± 3.6 | 77.5 ± 3.5 | 1.2 ± 0.7 | .000*** |
| ANB, ° | 4.8 ± 2.3 | 3.6 ± 2.3 | −1.2 ± 0.7 | .000*** |
| VRP-Pog, mm | 56.1 ± 8.3 | 59.9 ± 8.7 | 3.8 ± 1.3 | .000*** |
| OJ, mm | 4.6 ± 2.1 | 2.8 ± 1.6 | −1.7 ± 1.6 | .000*** |
| Vertical parameters | ||||
| SN-GoMe, ° | 41.9 ± 5.7 | 39.2 ± 5.6 | −2.7 ± 0.7 | .000*** |
| AFH, mm | 137.4 ± 6.9 | 134.4 ± 6.5 | −3.0 ± 1.2 | .000*** |
| OB, mm | −3.3 ± 1.3 | 1.2 ± 0.9 | 4.5 ± 1.5 | .000*** |
| Tooth movement | ||||
| U6-PP, mm | 26.4 ± 1.8 | 24.2 ± 1.8 | −2.2 ± 0.8 | .000*** |
| U1-PP, mm | 32.4 ± 2.7 | 32.9 ± 2.3 | 0.1 ± 0.9 | .000*** |
| L6-MP, mm | 33.0 ± 3.1 | 32.2 ± 3.4 | 0.4 ± 0.8 | .811 |
| L1-MP, mm | 45.5 ± 2.9 | 45.3 ± 3.2 | 0.1 ± 0.8 | .894 |
a
Data are presented as mean ± standard deviation. Please refer to Table 1 for the definition of each measurement. Paired t-tests were performed for each variable.
***
P < .001.