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Table 7 Absolute measurements of left-right differences

From: Quantification of skeletal asymmetries in normal adolescents: cone-beam computed tomography analysis

Variable Mean SD 95%confidence interval pvalue
Lower Upper
A-P molar differential (mm) 0.04 0.28 −0.07 0.14 0.484
Midline differential (mm) 0.15 0.20 0.07 0.23 0.000****
Maxillary arch length (mm) 0.28 0.66 0.04 0.53 0.025*
Mandibular arch length (mm) 0.33 0.68 0.08 0.58 0.012*
Mandibular length in 3D (mm) −0.43 1.53 −1.00 0.14 0.132
Manibular length in 2D (mm) −0.21 1.53 −0.78 0.36 0.452
Ramus height in 3D (mm) −0.81 1.65 −1.42 −0.19 0.012*
Ramus height in 2D (mm) −0.75 1.60 −1.34 −0.15 0.016*
Corpus length in 3D (mm) 0.09 1.27 −0.38 0.57 0.690
Corpus length in 2D (mm) 0.08 1.67 −0.55 0.70 0.801
Gonial angle (°) 0.48 2.48 −0.44 1.40 0.297
Mandibular plane angle (°) 0.57 1.66 −0.06 1.19 0.073
Ramus inclination to the saggital plane (°) −1.22 2.92 −2.32 −0.13 0.029*
Mediolateral diameter of the condylar head in 3D (mm) 0.06 1.22 −0.39 0.52 0.781
Mediolateral diameter of the condylar head in 2D (mm) 0.07 1.22 −0.38 0.52 0.752
Anteroposterior diameter of the condylar head in 3D (mm) −0.24 0.85 −0.55 0.08 0.141
Anteroposterior diameter of the condylar head in 2D (mm) −0.23 0.86 −0.55 0.09 0.149
Superior joint space in 3D (mm) −0.03 0.78 −0.32 0.26 0.820
Superior joint space in 2D (mm) 0.08 0.63 −0.16 0.31 0.505
  1. *p < 0.05, ****p < 0.0001.