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Table 4 Skeletal and dental changes in molar relationship and overjet

From: Does mandibular advancement with clear aligners have the same skeletal and dentoalveolar effects as traditional functional appliances?

Variable(mm)

Vanbeek

Herbst

Twin-Block

Ma

Control

P

Median/IQR

Median/IQR

Median/IQR

Median/IQR

Median/IQR

 

ABCH

2.05/0.90a

3.60/1.40a

2.65/2.20a

2.59/3.20a

0.20/1.40b

0.000*

Maxillary Osseous base

− 0.50/1.30

− 0.80/2.00

− 0.40/1.00

− 0.98/3.00

− 1.75/1.30

0.059

Upper Molar

0.75/1.20ab

1.30/1.00a

0.00/1.60bc

− 1.58/2.80c

− 0.50/1.00c

0.000*

Lower Molar

0.60/0.90b

2.80/2.40a

1.30/1.20ab

0.37/2.90b

0.40/1.50b

0.008*

Upper Incisor

1.25/2.20a

0.90/0.80ab

0.90/1.70ab

2.35/2.50a

0.00/1.30b

0.011*

Lower Incisor

0.00/0.90b

1.20/1.60a

1.25/1.20a

0.10/3.50b

− 0.20/1.80b

0.002*

  1. Non parametric test. Groups with the same letter indicated no statistically significant difference. *P < 0.05