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Table 3 Pairwise changes in variance of facial shape and form in extraction and non-extraction group

From: Soft tissue facial changes among adult females during alignment stage of orthodontic treatment: a 3D geometric morphometric study

 

Extraction group

Non-extraction group

ΔVar

p Values

ΔVar

p Values

Shape variance

T0–T1

0.000321328

0.3614

0.000153771

0.7988

T1–T2

0.000203248

0.6923

0.000014883

0.9653

T0–T2

0.000483553

0.1624

0.000176456

0.8454

Form variance

T0–T1

196,258.7

0.3245

3065.043

0.9189

T1–T2

156.8838

0.9698

394.0572

0.9933

T0–T2

196,473.6

0.3365

2595.986

0.9346

  1. ΔVar: difference in Procrustes variance of facial shape/form between the two time periods under comparison
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BMC Oral Health

ISSN: 1472-6831

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