Table 1 Demographic, crown length and root length of orthodontic patients. C1 and R1 refer to the tooth length prior to orthodontic treatment, while C2 and R2 were taken after 6 months of orthodontic treatment. Subjects that were chosen labelled as*

9.37 ± 0.43

9.08 ± 0.20

0.29

17.85 ± 0.12

17.50 ± 0.02

0.35

8.14 ± 0.07

7.89 ± 0.06

0.25

15.15 ± 0.17

14.71 ± 0.12

0.44

9.18 ± 0.26

8.96 ± 0.20

0.22

15.90 ± 0.29

15.28 ± 0.10

0.62

10.75 ± 0.66

10.23 ± 0.41

0.52

18.17 ± 0.36

17.30 ± 0.57

0.87

9.60 ± 0.63

9.33 ± 0.70

0.27

16.59 ± 0.49

16.15 ± 0.56

0.44

9.65 ± 0.15

9.50 ± 0.23

0.15

19.71 ± 0.11

19.57 ± 0.35

0.14

9.33 ± 0.13

9.13 ± 0.04

0.20

16.08 ± 0.04

15.66 ± 0.02

0.42

9.36 ± 0.31

9.03 ± 0.53

0.33

20.43 ± 0.08

19.43 ± 0.18

1.01

11.74 ± 0.29

10.83 ± 0.97

0.91

18.58 ± 0.11

17.60 ± 0.87

0.98

9.93 ± 0.10

9.39 ± 0.76

0.54

14.54 ± 1.06

14.18 ± 0.84

0.36