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Table 2 Mean pain scores of spontaneous pain (mm)

From: Low-level laser therapy effectiveness in reducing initial orthodontic archwire placement pain in premolars extraction cases: a single-blind, placebo-controlled, randomized clinical trial

Evaluation time

Laser group

Placebo group

P value

Mean

SD

Mean

SD

1 Hour

0.76

2.77

5.70

9.50

0.828a

6 Hours

3.46

6.88

11.61

13.32

0.628a

24 Hours

14.92

12.48

22

24.28

0.352a

48 Hours

10.23

9.98

15.23

21.01

0.441a

72 Hours

1.90

3.80

11.10

18.60

0.092a

  1. aNon-significant
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BMC Oral Health

ISSN: 1472-6831

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