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Table 2 Mean changes in the cephalometric variables at different time intervals

From: Stability of vertical dimension following total arch intrusion

 

ΔT1-T0a

ΔT2-T1b

Variable

Mean

SD

Sig

Mean

SD

Sig

Skeletal

 ΔANB (°)

-0.95

0.97

***

0.14

0.52

NS

 ΔFMA (°)

-1.70

1.82

***

0.70

1.64

*

 ΔSN-GoMe (°)

-2.11

1.36

***

0.73

1.17

**

 ΔSNPog (°)

1.03

1.04

***

-0.12

0.91

NS

 ΔAFH (mm)

-2.70

1.37

***

0.81

1.37

**

Dental

 ΔIMPA (°)

-6.16

7.33

***

2.40

2.15

***

 ΔU6-PP (mm)

-2.30

1.29

***

0.33

1.50

NS

 ΔU1-PP (mm)

-2.04

1.66

***

0.83

0.92

***

 ΔL1-MP (mm)

-2.33

1.83

***

0.42

0.89

*

  1. Negative values represent decreases during treatment or retention; positive values represent increases during treatment or retention
  2. Sig significance, NS Not significant
  3. *P < 0.05; **P < 0.01; ***P < 0.001
  4. aΔT1-T0, change from initial evaluation to immediately after treatment
  5. bΔT2-T1, change during at least one year of retention;