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 38 2 0 0 0 6 27 4 6 3 0 44 34 6 0 0 0 22 37 1 0 0 0 7
Q2 37 2 1 0 0 34 0 2 1 3 31 4 4 0 1 36 0 1 0 1
Q3 4 12 20 4 0 110 3 5 12 11 9 188 7 8 17 6 2 128 27 8 2 1 0 29
Q4 13 11 13 3 0 6 5 10 11 8 10 6 19 4 1 29 6 2 0 1
Q5 28 2 4 5 1 69 30 3 5 2 0 79 28 5 5 2 0 55 33 1 2 1 1 24
Q6 20 5 11 3 1 14 6 9 8 3 20 9 8 3 0 32 2 2 2 0
Q7 31 6 2 1 0 31 11 9 8 9 3 110 22 7 8 1 2 59 34 2 1 0 1 12
Q8 26 10 4 0 0 12 15 10 1 2 21 14 4 1 0 35 2 1 0 0
Q9 26 8 4 2 0 39 11 8 16 3 2 77 21 12 5 2 0 40 33 2 2 1 0 17
Q10 32 2 4 1 1 29 4 5 2 0 31 6 3 0 0 35 0 2 0 1
Q11 33 4 3 0 0 14 20 10 7 2 1 67 29 7 3 1 0 33 34 4 0 0 0 4
Q12 37 2 1 0 0 21 10 6 1 2 28 9 2 0 1 38 0 0 0 0
Q13 31 6 2 1 0 18 25 4 9 1 1 53 28 6 4 0 2 31 36 0 1 0 1 7
Q14 36 3 1 0 0 26 8 3 2 1 35 3 1 0 1 37 1 0 0 0
Total OHIP 14 score: 287 Total OHIP 14 score: 618 Total OHIP 14 score: 368 Total OHIP 14 score: 100
Mean SDS: 7.17 (SD 5.93) Mean SDS: 15.45 (SD 9.63) Mean SDS: 9.2 (SD 7.56) Mean SDS: 2.5 (SD 5.28)

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.