Table 3 incidence of each type of post-operative complication in relation to seniority of the surgeon undertaking the procedure.

Resident n (%)

Specialist n (%)

complication in patient treated by Resident

Trismus

74 (14.3)

49 (8.6)

1.77 (1.21, 2.59)

0.003

Swelling

62 (12.0)

63 (11.1)

1.09 (0.75, 1.59)

0.643

Bleeding

15 (2.9)

33 (5.8)

0.48 (0.26, 0.90)

0.020

Sore throat

9 (1.7)

4 (0.7)

2.50 (0.76, 8.16)

0.117

Dry socket

99 (19.1)

39 (6.9)

3.21 (2.17, 4.75)

<0.001

Delayed healing

14 (2.7)

8 (1.4)

1.95 (0.81, 4.68)

0.129

Abscess

7 (1.4)

7 (1.2)

1.10 (0.38, 3.16)

0.860

Infection

54 (10.4)

25 (4.4)

2.53 (1.55, 4.13)

<0.001

Lip numbness at 2 weeks

15 (2.9)

4 (0.7)

4.21 (1.39, 12.77)

0.012

Tongue numbness at 2 weeks

24 (4.6)

6 (1.1)

4.56 (1.85, 11.24)

<0.001

Lip numbness at 2 years

7 (1.4)

1 (0.2)

7.78 (0.95, 63.46)

0.056

Tongue numbness at 2 years

9 (1.7)

2 (0.4)

5.01 (1.08, 23.31)

0.048

Any complication

330 (63.7)

223 (39.2)

2.72 (2.13, 3.48)

<0.001