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

Table 6

Hyperdivergent patients versus controls, mean difference between posttreatment (T2) and pretreatment (T1).

Parameter	Hyperdivergent test mean (SD)	Hyperdivergent control mean (SD)	value
A/Olp	0.40 ± 1.42	0.1 ± 0.9	0.38
Pg/Olp	2.46 ± 2.31	−0.2 ± 1	<0.001
Is/Olp	−0.82 ± 1.78	0.1 ± 0.8	0.02
Ii/Olp	−0.19 ± 2.03	0.1 ± 0.9	0.51
Ms/Olp	−1.03 ± 1.61	0.2 ± 0.7	0.001
Mi/Olp	4.28 ± 2.20	0.2 ± 0.8	<0.001
SN^GoMe	−0.81 ± 2.91	0.5 ± 0.8	0.03
LII	6.77 ± 4.72	0 ± 0.1	<0.001
AN^NPg	−1.24 ± 1.52	0.2 ± 0.6	<0.001
Skeletal discrepancy	−2.06 ± 1.99	0.1 ± 0.5	<0.001
Overjet	−4.87 ± 2.26	0.1 ± 0.4	<0.001
Molar relation	−5.31 ± 2.50	0.1 ± 0.3	<0.001