Table 5.
Sagittal, vertical, and angular measurements for the bone-anchored protraction facemask group
Variables (mm) | T1 | T2 | T2 – T1 | ||||||
---|---|---|---|---|---|---|---|---|---|
Sagittal | Min | Max | Mean | SD | Min | Max | Mean | SD | Diff |
OLp–A pt. | 60.0 | 76.9 | 66.74 | 3.93 | 61.9 | 78.7 | 68.28 | 4.32 | 1.54 |
OLp–B pt. | 63.5 | 80.0 | 71.86 | 5.13 | 62.8 | 80.6 | 70.57 | 5.41 | −1.29 |
OLp–Pg | 66.7 | 84.0 | 73.95 | 4.70 | 65.8 | 84.1 | 73.82 | 5.11 | −0.13 |
Wits | −9.6 | 0.2 | −5.12 | 2.58 | −6.9 | 6.9 | −2.54 | 3.22 | 2.58 |
OLp–Is | 60.1 | 79.3 | 70.28 | 4.67 | 60.3 | 84.4 | 72.47 | 5.57 | 2.19 |
OLp–Ii | 61.9 | 79.0 | 71.14 | 4.67 | 55.4 | 80.9 | 69.88 | 5.52 | −1.26 |
Overjet | −4.8 | 2.9 | −0.86 | 2.31 | −1.6 | 5.9 | 2.6 | 1.76 | 3.46 |
OLp–Ms | 40.2 | 50.7 | 44.45 | 3.18 | 41.1 | 58.0 | 46.89 | 4.27 | 2.44 |
OLp–Mi | 41.3 | 55.2 | 47.52 | 4.20 | 42.2 | 59.1 | 48.94 | 4.65 | 1.42 |
Molar relationship | −0.6 | −7.0 | −3.34 | 1.65 | −4.9 | 0.4 | −2.05 | 1.62 | 1.29 |
Vertical (mm) | |||||||||
OLparallel–A pt. | 16.4 | 38.9 | 30.14 | 5.43 | 16.5 | 41.3 | 31.62 | 6.07 | 1.48 |
Is–NL | 14.4 | 27.7 | 22.41 | 3.69 | 19.9 | 29.0 | 24.58 | 2.61 | 2.17 |
Ii–ML | 27.9 | 39.9 | 34.82 | 3.45 | 29.7 | 41.2 | 36.08 | 3.11 | 1.26 |
Overbite | −1.1 | 5.9 | 1.56 | 2.18 | −1.8 | 4.4 | 1.42 | 1.48 | −0.14 |
Msc–NL | 9.1 | 21.9 | 17.02 | 3.00 | 11.8 | 22.9 | 18.58 | 2.73 | 1.56 |
Mic–ML | 23.3 | 30.5 | 26.51 | 2.06 | 23.9 | 32.9 | 27.7 | 2.13 | 1.19 |
Angular (°) | |||||||||
SNA | 71.9 | 92.1 | 80.29 | 4.74 | 73.0 | 91.2 | 81.88 | 4.49 | 1.59 |
SNB | 74.8 | 90.2 | 81.2 | 4.17 | 71.9 | 88.8 | 80.4 | 4.25 | −0.8 |
ANB | −5.5 | 3.3 | −0.92 | 2.78 | −3.8 | 6.9 | 1.48 | 2.76 | 2.4 |
SNL–ML | 22.2 | 44.9 | 32.62 | 6.07 | 21.1 | 49.5 | 32.86 | 7.13 | 0.24 |
SNL–OLs | 9.0 | 29.4 | 18.14 | 5.89 | 7.2 | 32.0 | 17.31 | 6.09 | −0.83 |
SNL–NL | 2.6 | 12.9 | 6.44 | 3.07 | 1.1 | 14.0 | 6.52 | 3.68 | 0.08 |
Is–SNL | 87.2 | 121.8 | 103.19 | 8.23 | 86.8 | 114.2 | 101.16 | 8.12 | −2.03 |
Ii–ML | 78.1 | 91.9 | 84.75 | 3.48 | 77.8 | 95.6 | 83.08 | 4.54 | −1.67 |