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Table 3 Treatment changes of points in the horizontal direction

From: Morphological changes of the anterior alveolar bone due to retraction of anterior teeth: a retrospective study

Variable

Mean ± SD (mm)

p-value

N

UIE-h

−6.21 ± 2.25

.000***

308

UIR-h

−1.60 ± 1.43

.000***

308

UIA-h

1.05 ± 2.10

.000***

308

A-h

−0.63 ± 1.23

.000***

308

UIE-v

−1.22 ± 1.52

.000***

308

UIR-v

0.38 ± 1.37

.000***

308

UIA-v

0.83 ± 1.53

.000***

308

A-v

−0.23 ± 0.97

.000***

308

LIE-h

−4.65 ± 1.28

.000***

154

LIR-h

−2.97 ± 1.22

.000***

154

LIA-h

−1.52 ± 1.58

.000***

154

B-h

−0.80 ± 0.96

.000***

154

LIE-v

1.75 ± 2.08

.000***

154

LIR-v

0.84 ± 1.66

.000***

154

LIA-v

0.80 ± 1.84

.000***

154

B-v

1.75 ± 1.65

.000***

154

UTL

−0.93 ± 1.42

.000***

308

LTL

−1.11 ± 1.41

.000***

154

  1. †h: horizontal displacement of points; v: vertical displacement of points; UTL: tooth length of the upper incisor; LTL: tooth length of the lower incisor.
  2. ‡ *** P < 0.001.