Table 4 Changes in the labial and palatal alveolar bone height in central incisors and lateral incisors before (T0) and After treatment (T1)

Mean

SD

25% Percentile

Median

75% Percentile

Mean

SD

25% Percentile

Median

75% Percentile

P Value

Central incisor

Labial

1.6

0.6

1.1

1.4

1.8

1.7

0.7

1.3

1.5

1.9

0.1^W

Palatal

1.4

0.5

1.1

1.3

1.5

3.4

2.0

1.6

2.9

4.4

< 0.001^W

Lateral incisor

Labial

2.0

0.8

1.4

1.8

2.2

2.1

1.5

1.4

1.7

2.3

0.9^W

Palatal

1.5

0.6

1.1

1.4

1.8

4.1

1.8

2.6

4.3

5.3

< 0.001^W