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Table 4 Mean pain score at different time points in the two groups

From: Extraoral low-level laser therapy can decrease pain but not edema and trismus after surgical extraction of impacted mandibular third molars: a randomized, placebo-controlled clinical trial

Time (days)

Laser

Placebo

P value < 

Std. deviation

Mean

Std. deviation

Mean

1

0.66

2.8

0.55

5.8

0.05

2

0.74

2.2

0.84

6.16

0.05

3

0.56

1.24

0.64

5.32

0.05

4

0.41

0.56

1.03

4.6

0.05

5

0.22

0.36

0.87

3.56

0.05

6

0.12

0.2

0.61

2.28

0.05

7

0.08

0.16

0.25

1.2

0.05

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BMC Oral Health

ISSN: 1472-6831

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