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Table 2 Cephalometric measurements for T0, T1, and T2: mean ± standard deviation (SD), minimum/maximum and median

From: One versus two anterior miniscrews for correcting upper incisor overbite and angulation: a retrospective comparative study

M Measurements Group T0 T1 T2
Mean ± SD Min/max Median Mean ± SD Min/max Median Mean ± SD Min/max Median
U1L (mm) Overall 21.57 ± 2.07 17.76/25.60 21.30 19.42 ± 2.05 14.92/23.00 18.92 19.40 ± 2.04 14.99/23.00 18.89
1 21.61 ± 1.69 19.18/25.09 21.64 19.41 ± 2.00 14.92/22.98 18.90 19.39 ± 2.01 14.97/22.90 18.87
2 21.54 ± 2.34 17.76/25.60 21.09 19.43 ± 2.04 14.93/23.00 19.02 19.40 ± 1.99 14.97/22.93 18.84
OB (mm) Overall 5.59 ± 2.21 1.80/12.10 5.10 2.36 ± 1.68 − 0.55/6.53 2.25 2.45 ± 1.62 − 0.25/6.93 2.45
1 5.17 ± 2.47 1.80/12.10 4.65 2.42 ± 1.93 − 0.55/6.53 2.25 2.50 ± 1.62 − 0.25/6.93 2.45
2 6.20 ± 1.50 3.70/7.90 6.86 2.40 ± 1.68 − 0.55/6.53 2.25 2.48 ± 1.62 − 0.25/6.93 2.45
MP (°) Overall 33.87 ± 6.15 19.68/45.28 35.08 33.9 ± 6.94 17.68/46.28 35.67 34.06 ± 6.75 16.68/46.28 35.32
1 30.33 ± 5.32 21.16/38.04 32.42 30.03 ± 6.13 19.16/36.00 31.55 30.45 ± 5.45 20.16/37.00 31.02
2 35.16 ± 6.50 19.68/45.28 36.30 35.77 ± 7.03 17.68/46.28 37.46 35.75 ± 7.11 16.68/46.28 37.30
CR-SN (mm) Overall 71.50 ± 5.18 63.45/82.62 71.06 67.66 ± 4.58 57.96/78.35 67.91 67.72 ± 4.66 58.00/78.37 67.86
1 77.47 ± 4.29 71.82/82.62 78.36 71.78 ± 3.99 67.23/78.35 70.64 71.92 ± 4.09 67.22/78.37 70.59
2 74.60 ± 3.49 63.45/75.59 69.45 66.41 ± 3.73 57.96/73.83 66.62 66.44 ± 3.76 58.00/74.00 66.69
IE-SN (mm) Overall 81.34 ± 4.93 73.46/93.03 80.93 77.36 ± 4.51 69.55/88.70 77.48 77.53 ± 4.39 69.74/88.70 77.61
1 86.89 ± 3.81 81.85/93.03 86.91 81.31 ± 4.06 77.51/88.70 79.76 81.38 ± 4.26 77.05/88.70 79.67
2 84.51 ± 3.65 73.46/86.89 79.76 76.13 ± 3.72 69.55/84.44 76.17 76.22 ± 3.62 69.74/84.16 75.97
U1-PP (°) Overall 95.23 ± 9.25 78.20/115.00 97.00 106.82 ± 5.81 95.16/116.44 107.66 106.36 ± 6.18 94.36/119.44 107.06
1 95.14 ± 12.28 78.20/115.0 100.4 109.44 ± 4.81 99.00/116.00 109.94 108.81 ± 4.91 98.00/115.00 109.50
2 94.50 ± 6.98 79.00/104.12 96.24 106.08 ± 6.17 95.16/116.44 106.52 105.78 ± 6.75 94.36/119.44 105.52
IMPA (°) Overall 88.99 ± 7.88 75.16/103.92 88.96 97.69 ± 9.31 79.16/115.00 98.27 97.25 ± 9.16 79.88/115.00 99.00
1 89.42 ± 9.69 77.00/103.92 89.14 98.05 ± 10.49 80.20/112.92 98.94 97.07 ± 10.03 81.20/111.92 97.94
2 89.75 ± 7.09 75.16/101.00 90.73 98.04 ± 9.39 79.16/115.00 99.27 98.02 ± 9.16 79.88/115.00 99.86
U1-L1 (°) Overall 145.62 ± 14.01 122.04/174.80 143.60 126.32 ± 8.45 103.52/145.60 127.63 126.35 ± 8.10 104.52/143.60 127.68
1 142.09 ± 9.77 131.30/169.00 143.04 125.77 ± 7.97 103.52/136.00 126.10 125.95 ± 9.28 115.08/143.60 123.70
2 144.61 ± 9.77 130.10/165.20 144.05 126.87 ± 7.77 104.22/135.01 127.09 125.68 ± 7.85 104.52/134.72 127.02
  1. U1L upper incisor length, OB overbite, MP mandibular plane, CR-SN upper incisor position 1, IE-SN upper incisor position 2, U1-PP upper incisor inclination, IMPA lower incisor inclination, U1-L1 interincisal angle
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