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Table 2 Comparison of three-dimensional changes in soft tissue landmarks in the treatment group

From: Measurement of three‐dimensional changes in lip vermilion in adult female patients after orthodontic extraction: a retrospective longitudinal study

 

Horizontal dimension

 

Vertical dimension

 

Sagittal dimension

 

Landmark

change

p-value

change

p-value

change

p-value

Ls

0.48 ± 2.79

0.437(NS)

-1.24 ± 10.69

0.598(NS)

-2.30 ± 9.53

0.272(NS)

Ll

0.22 ± 2.70

0.712(NS)

1.63 ± 14.39

0.565(NS)

-7.21 ± 11.16

0.004**

R.Chp

2.10 ± 3.26

0.004**

-1.55 ± 10.18

0.487(NS)

-1.54 ± 8.68

0.417(NS)

L.Chp

-1.79 ± 3.18

0.011*

-1.51 ± 10.16

0.499(NS)

-1.51 ± 8.65

0.428(NS)

R.Ch

0.84 ± 3.61

0.292(NS)

-0.98 ± 11.45

0.695(NS)

-3.65 ± 6.82

0.016*

L.Ch

0.50 ± 3.25

0.488(NS)

-0.66 ± 11.41

0.791(NS)

-4.69 ± 7.16

0.004**

  1. Values are presented as the mean ± standard deviation (mm). The change is the difference between post-treatment and pre-treatment values. A paired t-test was used to compare pre- and post-orthodontic treatment in each group. NS, non-significant; *p<; 0.05; **p <; 0.01.