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Table 4 Average of trismus at 2nd, 3rd and 7th days after surgery, (%)

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

Groups (G)

Trismus (n)

2nd postoperative day (mm)

3rd postoperative day

7th postoperative day

Mean ± SD

Mean ± SD

Mean ± SD

Traditional (G1)

10

20.90 ± 17.83

16.21 ± 16.30

6.75 ± 11.84

Traditional+ PRF (G2)

10

8.70 ± 10.50

7.00 ± 9.40

2.00 ± 3.52

Piezo + PRF (G3)

10

7.60 ± 6.85

5.30 ± 7.55

0.80 ± 1.61

Traditional (G4)

10

19.10 ± 19.45

15.60 ± 15.45

8.70 ± 13.15

  1. The differences in trismus were not statistically significant between groups on the second (χ2 = 5.355, p = 0.148), third (F = 1.985, p = 0.134) and seventh (χ2 = 2.411, p = 0.492) postoperative days. Abbreviation: SD, Standart deviation; F, One-Way ANOVA test result; χ2, Kruskal Wallis test result