From: The effectiveness of low-level laser therapy and low-intensity pulsed ultrasound in reducing pain induced by orthodontic separation: a randomized controlled trial
LLLT group
LIPUS group
Control group
P-Value
Significance
N
Age Y
Gender;
Female
Male
48
21.52 ± 2.20
28
20
21.16 ± 2.16
27
21
49
21.44 ± 2.16
29
0.823
0.304
NS