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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.