Table 4 Virtual outcome regarding jaw relation and symmetry.

From: Surgical Occlusion Setup in Correction of Skeletal Class III Deformity Using Surgery-First Approach: Guidelines, Characteristics and Accuracy

Jaw Discrepancy

Total Patients (N = 53)

With Genioplasty (N = 39)

Without Genioplasty (N = 14)

P*

Jaw relation

ANB, degree (Mean ± SD)

2.1 ± 1.8**a

2.4 ± 1.7**a

1.8 ± 1.5*b

0.34

Jaw symmetry

    

ANS deviation, mm (Mean ± SD)

0.7 ± 0.8

0.7 ± 0.8

0.5 ± 0.9

0.11

Upper incisor deviation, mm (Mean ± SD)

0.5 ± 0.6

0.4 ± 0.6

0.5 ± 0.8

1.00

Lower incisor deviation, mm (Mean ± SD)

0.4 ± 0.7

0.3 ± 0.5

0.6 ± 1.2

0.64

Menton deviation, mm (Mean ± SD)

0.7 ± 0.8

0.7 ± 0.7

0.8 ± 1.1

0.72

Vertical body discrepancy, mm (Mean ± SD)

0.8 ± 0.5

0.8 ± 0.5

0.6 ± 0.5

0.13

Horizontal body discrepancy, mm (Mean ± SD)

1.9 ± 1.4

1.9 ± 1.4

1.7 ± 1.4

0.42

Volumetric body discrepancy, mm3 (Mean ± SD)

916.0 ± 562.7

945.1 ± 628.4

834.8 ± 320.9

0.78

  1. ANS: anterior nasal spine.
  2. *Statistical analysis was carried out using the Mann Whitney U test (with versus without genioplasty).
  3. *p < 0.05 (before vs. after simulation).
  4. **p < 0.001 (before vs. after simulation).
  5. aStatistical analysis was carried out using the paired t-test (before vs. after simulation).
  6. bStatistical analysis was carried out using the Wilcoxon signed ranks test (before vs. after simulation).
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