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Table 2 Pretreatment characteristics of the study subjects compared with matched untreated Class II individuals

From: Mechanisms of Class II correction induced by the crown Herbst appliance as a single-phase Class II therapy: 1 year follow-up

Variable Study group Control group P value
n = 40 n = 18
Overjet (mm) 5.5 (2.2) 5.5 (2.4) 0.130
Overbite (mm) 5.6 (1.3) 4.5 (2.0) 0.758
SNA (degrees) 81.5 (2.9) 81.1 (3.8) 0.605
SNB (degrees) 76.7 (2.4) 76.6 (3.2) 0.910
SNPog (degrees) 78.1(2.6) 78.0 (3.3) 0.886
ANB (degrees) 4.8 (1.9) 4.5 (1.5) 0.449
Co-A (mm) 86.6 (4.7) 83.6 (6.6) 0.045
Co-Gn (mm) 108.1 (5.4) 105.8 (7.3) 0.187
is to T-FMN (degrees) 111.5 (8.2) 104.4 (8.2) 0.003
ii to ml (degrees) 99.8 (7.0) 98.7 (7.6) 0.599
Co-Go-Me (degrees) 121.5 (4.9) 119.8 (4.1) 0.178
  1. Mean values and standard deviations (SD) in parenthesis.