Research Article

Influence of Vertical Facial Growth Pattern on Herbst Appliance Effects in Prepubertal Patients: A Retrospective Controlled Study

Table 1

Baseline characteristics in whole population ().

Outcome variablesTotal mean (SD)Group valuePairwise comparisons
Hypodivergent mean (SD)Normodivergent mean (SD)Hyperdivergent mean (SD)

A/Olp69.91 (4.47)69.68 (5.25)70.38 (4.46)69.67 (3.71)0.817
Pg/Olp69.97 (5.87)70.89 (6.38)70.13 (6.19)68.88 (5.02)0.481
Is/Olp77.60 (4.86)76.94 (6.06)77.79 (4.43)78.08 (3.95)0.693
Ii/Olp70.29 (5.42)70.32 (6.23)70.19 (5.27)70.36 (4.90)0.993
Ms/Olp36.53 (4.54)36.78 (5.14)36.68 (4.79)36.13 (3.74)0.864
Mi/Olp34.84 (5.39)34.84 (6.35)34.78 (5.12)34.92 (4.80)0.996
SN^GoMe32.67 (5.97)25.68 (2.31)33.09 (2.02)39.24 (2.15)<0.001Hypo vs. hyper: <0.001
Hypo vs. normo: <0.001
Hyper vs. normo: <0.001
Lower incisor axis inclination100.26 (6.57)104.62 (6.56)99.54 (4.46)96.62 (6.00)<0.001Hypo vs. hyper: <0.001
Hypo vs. normo: <0.001
Hyper vs. normo: 0.2315
AN^NPg4.78 (2.30)3.35 (2.01)5.40 (1.93)5.59 (2.32)<0.001Hypo vs. hyper: <0.001
Hypo vs. normo: <0.001
Hyper vs. normo: 1.00
Skeletal discrepancy−0.07 (2.68)−1.24 (2.67)0.24 (2.78)0.79 (2.21)0.019Hypo vs. hyper: 0.02
Hypo vs. normo: 0.13
Hyper vs. normo: 1.00
Overjet7.32 (2.47)6.70 (2.51)7.55 (2.64)7.72 (2.23)0.298
Molar relation1.69 (1.92)1.96 (2.14)1.90 (1.65)1.21 (1.93)0.312

Results are expressed as mean (standard deviation); value = one-way ANOVA; value, pairwise comparisons: values adjusted by using the Bonferroni method.