Skip to main content
. 2019 Nov 7;15(1):1688916. doi: 10.1080/19932820.2019.1688916

Table 3.

The relation between the presence of iatrogenic errors and case difficulty; N (%)

Errors
Difficulty
Corono-Cervical perforation Furcation perforation Strip perforation Lateral Root perforation Apical perforation Ledge Fractured instrument Overfilling Underfilling Total
Minimal
Difficulty
1 (0.5%) 0 (0%) 0 (0%) 0 (0%) 1 (0.5%) 3 (1.4%) 0 (0%) 4 (2%) 2 (0.9%) 11
(5%)
Moderate
Difficulty
0 (0%) 0 (0%) 1 (0.5%) 2 (0.9%) 5 (2.3%) 15 (6.7%) 5 (2.3%) 5 (2.3%) 20 (9%) 53
(24%)
High
Difficulty
0 (0%) 2 (0.9%) 3 (1.4%) 5 (2.3%) 6 (2.7%) 24 (11%) 25 (11.3%) 31 (14%) 62 (28%) 157
(71%)
Total 1 (0.5%) 2 (0.9%) 3 (1.4%) 7 (3%) 12 (5.5%) 42 (19%) 30 (13.5%) 40 (18%) 84 (38%) 221
(100%)
p 0.003 *

*Statistically significant at p ≤ 0.05