Table 3 The distances moved by the canine cusp tip, center and apex for the two groups measured on CBCT.

From: Effectiveness of low frequency vibration on the rate of canine retraction: a randomized controlled clinical trial

Measurement

 

N

Mean

SD

Mean difference

SED

95%CI—Lower

95%CI—Upper

t

df

P-value

Distance Canine cusp-FP

Intetrvention

32

4.8

1.3

0.22

0.47

− 0.72

1.16

0.46

62

0.645

Control

32

4.5

2.3

       

Distance Canine center—FP

Intetrvention

32

1.9

0.8

0.14

0.29

− 0.45

0.73

0.48

62

0.632

Control

32

1.7

1.5

       

Distance Canine apex-FP

Intetrvention

32

0.1

1.3

− 0.29

0.29

− 0.87

0.30

− 0.98

62

0.33

Control

32

0.4

1

       
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