Table 2 Number of failure modes in different obturation methods at different root levels
Obturation method | Root level | Failure modes | ||
|---|---|---|---|---|
DC | PC | Mixed | ||
CC | Apical | 5 | 2 | 2 |
Middle | 4 | 2 | 3 | |
Coronal | 1 | 5 | 3 | |
NC | Apical | 0 | 7 | 2 |
Middle | 0 | 7 | 2 | |
Coronal | 0 | 8 | 1 | |
AC | Apical | 1 | 8 | 0 |
Middle | 1 | 7 | 1 | |
Coronal | 1 | 5 | 3 | |