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Table 1 Cephalometric variables of the samples before treatment

From: Control of anterior segment using an antero-posterior lingual sliding retraction system: a preliminary cone-beam CT study

Variables Control group (n = 9) Experimental group (n = 8) p value
Mean SD Mean SD
Skeletal
 SNA (°) 80.22 3.69 79.37 3.05 0.615
 SNB (°) 76.56 2.79 73.71 4.31 0.122
 ANB (°) 3.56 1.96 5.67 2.14 0.051
 PFH/AFH 0.62 0.02 0.60 0.03 0.105
 SN to OP (°) 20.44 3.87 24.72 3.70 0.035
 FMA (°) 29.17 3.90 33.95 6.38 0.078
 SN to PP (°) 9.00 3.14 11.65 3.60 0.126
Dental
 IIA (°) 114.50 7.11 122.00 11.39 0.120
 FH-U1 (°) 119.00 5.47 108.29 9.15 0.010
 IMPA (°) 96.44 6.10 95.76 6.23 0.823
 FMIA (°) 50.61 8.72 50.29 8.27 0.939
 U1 to NA (mm) 8.67 3.10 6.01 2.14 0.060
 U1 to NA (°) 28.89 8.03 18.85 8.12 0.022
 L1 to NB (mm) 9.33 2.73 10.84 3.06 0.299
 L1 to NB (°) 32.11 7.74 33.48 5.52 0.683
Soft tissue
 UL-E-line (mm) 2.17 1.62 3.39 2.01 0.185