Q T0 T1 T2 T3
0 1 2 3 4 SDS 0 1 2 3 4 SDS 0 1 2 3 4 SDS 0 1 2 3 4 SDS
Q1 39 0 1 0 0 2 28 8 2 1 0 31 36 2 1 0 0 16 38 0 0 0 0 1
Q2 40 0 0 0 0 32 1 3 3 0 31 5 2 1 0 37 1 0 0 0
Q3 10 16 12 2 0 71 3 5 12 9 10 180 9 13 13 2 2 93 29 6 3 0 0 22
Q4 21 13 6 0 0 5 4 15 10 5 15 10 13 0 1 32 2 4 0 0
Q5 27 8 5 0 0 40 30 4 3 1 1 78 34 3 2 0 0 25 34 2 1 1 0 12
Q6 25 10 4 0 1 11 7 12 6 3 26 9 3 1 0 35 2 0 1 0
Q7 35 5 0 0 0 18 17 6 9 4 3 88 27 8 2 1 1 39 36 1 1 0 0 5
Q8 29 9 2 0 0 17 9 8 5 0 26 7 5 1 0 36 2 0 0 0
Q9 25 10 5 0 0 28 15 9 12 3 0 57 26 5 8 0 0 30 37 1 0 0 0 8
Q10 34 4 2 0 0 30 5 2 2 0 33 3 3 0 0 35 0 2 1 0
Q11 33 6 1 0 0 12 22 10 6 1 0 57 25 8 6 0 0 35 38 0 0 0 0 1
Q12 37 2 1 0 0 22 8 4 4 1 29 6 3 1 0 37 1 0 0 0
Q13 35 2 3 0 0 12 23 8 4 4 0 46 28 10 0 1 0 22 38 0 0 0 0 1
Q14 36 4 0 0 0 27 7 4 1 0 32 5 2 0 0 37 1 0 0 0
Total OHIP-14 score: 183 Total OHIP-14 score: 537 Total OHIP-14 score: 260 Total OHIP-14 score: 50
Mean SDS: 4.58 (SD 4.22) Mean SDS: 13.43 (SD 9.98) Mean SDS: 6.5 (SD 7.3) Mean SDS: 1.25 (SD 2.56)

A-PRF = advanced platelet-rich fibrin; OHIP = Oral Health Impact Profile; Q = question; SD = standard deviation; SDS = subscale dimension score; SRM3 = surgical removal of an impacted mandibular third molar.
0 = never; 1 = hardly ever or nearly never; 2 = occasionally; 3 = fairly often or many times; 4 = very often.
T0 = enrolment; T1 = 10 days after SRM3; T2 = 30 days after SRM3; T3 = one-year after SRM3.