Group

Mean (mm)

Std. deviation (mm)

p-value

U6-U6 affected

34.2

1.9

0.05

Control

36.3

2.9

U5-U5 affected

31.2

1.7

0.003

Control

34.3

2.5

U4-U4 affected

24.6

2.4

0.000

Control

28.9

2.5

U3-U3 affected

23.9

4.1

0.25

Control

25.3

2.0