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Table 6 Volumetric changes between the treatment and non-treatment groups

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

Variable

Treatment group

Non-treatment group

p-value

Upper vermilion volume

− 1625.81 ± 2607.15

280.51 ± 2667.69

0.012*

Lower vermilion volume

− 1893.22 ± 2196.20

495.16 ± 2568.11

0.001**

Total vermilion volume

− 2933.14 ± 5478.74

1158.99 ± 4654.83

0.004**

  1. Values are presented as the mean ± standard deviation (mm3). An independent t-test was used to compare the treatment and non-treatment groups. NS non-significant; *p < 0.05; **p < 0.01.
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Head & Face Medicine

ISSN: 1746-160X

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