Before treatment

After treatment

1 week

4 weeks

Cold water pain

2.7 ± 2.1

1.4 ± 1.7

1.1 ± 1.5

0.9 ± 1.3

Warm water pain

1.7 ± 2.6

0.8 ± 1.2

1.0 ± 1.2

1.4 ± 1.7

Air pain

3.3 ± 1.3

1.0 ± 1.2^*

0.8 ± 1.0^*

1.0 ± 1.2^*

Abrasion pain

1.1 ± 1.2

0.4 ± 1.0

0.6 ± 1.3

0.2 ± 0.4

Spontaneous pain

-

0.2 ± 0.4

0

0