Variable

PRP side (n = 40)

Control side (n = 40)

p value

Pain scores^a

Day 0

Day 7

Day 14

Day 21

7.9 ± 0.17

4.8 ± 0.18

1.4 ± 0.11

0.6 ± 0.13

8.2 ± 0.19

5.9 ± 0.07

1.9 ± 0.09

0.8 ± 0.11

NS

0.002

0.004

NS

Epithelialization surface area (cm²)^b

Day 7

Day 14

Day 21

9.8 ± 0.35

38.4 ± 0.36

86.3 ± 0.66

7.5 ± 0.32

36.9 ± 0.42

85.8 ± 0.68

<0.001

0.039

NS

Complications (n. %)

4 (10%)

2 (5%)

NS