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Table 5 Average of swelling at 1st, 2nd, 3rd and 7th days, (%)

From: Effects of platelet-rich fibrin and piezosurgery on impacted mandibular third molar surgery outcomes

Groups (G)

Swelling (n)

1st postoperative day (mm)

2nd postoperative day (mm)

3rd postoperative day

7th postoperative day

Mean ± SD

Mean ± SD

Mean ± SD

Mean ± SD

Traditional (G1)

10

2.20 ± 1.80

1.66 ± 1.71

1.15 ± 1.33

0.00 ± 0.00

Traditional + PRF (G2)

10

2.10 ± 1.37

1.40 ± 0.96

0.80 ± 0.63

0.00 ± 0.00

Piezo + PRF (G3)

10

3.00 ± 1.24

2.30 ± 1.16

1.40 ± 1.00

0.00 ± 0.00

Traditional (G4)

10

3.70 ± 1.63

3.00 ± 0.81

2.00 ± 0.94

0.00 ± 0.00

  1. The differences in facial swelling were not statistically significant between groups on the first (F = 2.397, p = 0.084), third (F = 2.421, p = 0.082) and seventh postoperative days. Only difference was on the second day (F = 3.478, p = 0.026) between the groups 1–4 (p = 0.018), 2–4 (p = 0.006)