Table 5 Change of the thickness of the hard and soft tissue dentoalveolar process on labial and lingual side in 3 different levels by tooth group and paired t-test for the difference (Post – Pre treatment) H0: difference = 0

Central Incisor

Labial level 1

26

0.11

0.25

(0.01, 0.21)

−0.7

0.8

0.0301

Labial level 2

26

0.16

0.28

(0.05, 0.27)

−0.72

0.86

0.008

Labial level 3

26

0.18

0.34

(0.04, 0.32)

−0.71

0.8

0.0124

Lingual level 1

26

−0.13

0.19

(−0.21, −0.06)

−0.5

0.23

0.0016

Lingual level 2

26

−0.13

0.2

(−0.21, −0.05)

−0.51

0.25

0.0033

Lingual level 3

26

−0.18

0.27

(−0.29, −0.07)

−0.85

0.33

0.0021

Labial all levels

78

0.15

0.28

(0.04, 0.26)

−0.71

0.82

0.0103

Lingual all levels

78

−0.15

0.19

(−0.22, −0.07)

−0.5

0.23

0.0004

Lateral Incisor

Labial level 1

21

0.02

0.27

(−0.1, 0.14)

−0.9

0.38

0.7724

Labial level 2

21

0.08

0.27

(−0.05, 0.2)

−0.53

0.53

0.2139

Labial level 3

21

0.13

0.33

(−0.02, 0.29)

−0.46

0.53

0.0763

Lingual level 1

21

−0.11

0.27

(−0.23, 0.01)

−0.55

0.35

0.0786

Lingual level 2

21

−0.21

0.32

(−0.35, −0.06)

−0.76

0.49

0.0084

Lingual level 3

21

−0.21

0.39

(−0.38, −0.03)

−0.8

0.55

0.0261

Labial all levels

63

0.08

0.27

(−0.05, 0.2)

−0.62

0.46

0.2158

Lingual all levels

63

−0.17

0.31

(−0.31, −0.03)

−0.7

0.46

0.0184

Canine

Labial level 1

21

0.13

0.21

(0.03, 0.22)

−0.17

0.6

0.0121

Labial level 2

21

0.12

0.21

(0.03, 0.22)

−0.29

0.55

0.0129

Labial level 3

21

0.09

0.23

(−0.01, 0.19)

−0.34

0.6

0.0846

Lingual level 1

21

0.06

0.27

(−0.06, 0.19)

−0.48

0.66

0.285

Lingual level 2

21

−0.01

0.21

(−0.1, 0.09)

−0.33

0.43

0.8621

Lingual level 3

21

−0.08

0.21

(−0.17, 0.01)

−0.51

0.28

0.092

Labial all levels

63

0.11

0.19

(0.03, 0.2)

−0.27

0.55

0.0142

Lingual all levels

63

−0.01

0.21

(−0.1, 0.09)

−0.35

0.4

0.8671