Table 3 Summary of clinical observations of undergraduate dental students performing root canal treatments
Data collected | Category | Frequency (%) |
|---|---|---|
Educational level | 4th year | 20 (44.4%) |
5th year | 25 (55.6%) | |
Tooth type | Anterior | 22 (48.9%) |
Premolar | 23 (51.1%) | |
Instrumentation technique | Hand | 22 (48.9%) |
Rotary | 23 (51.1%) | |
Reference point | Tooth structure | 42 (93.3%) |
Restoration | 3 (6.7%) | |
Cone labelling | Bending | 16 (35.6%) |
Indentation | 29 (64.4%) | |
Presence of tug-back | Yes | 25 (55.6%) |
No | 20 (44.4%) | |
Presence of apical stop | Yes | 38 (84.4%) |
No | 7 (15.6%) | |
Flaring assessment performed | Yes | 33 (73.3%) |
No | 12 (26.7%) | |
Number of MAC radiographs | 1 | 20 (44.4%) |
2 | 19 (42.2%) | |
3 | 5 (11.1%) | |
4 | 1 (2.2%) | |
Master GP cone length in MAC radiograph | Adequate | 16 (35.6%) |
Over-extended | 13 (28.9%) | |
Short | 16 (35.6%) | |
Cause of ill-fitting cone | Improper shaping | 25 (55.6%) |
Improper cone selection | 5 (11.1%) | |
Method of adjustment | Change the cone | 9 (20.0%) |
Cut the cone | 7 (15.6%) | |
Re-instrumentation | 15 (33.3%) | |
None | 14 (31.1%) | |
An instructor helped the student | Yes | 26 (57.8%) |
No | 19 (42.2%) | |
Final obturation length | Adequate | 36 (80.0%) |
Over-extended | 3 (6.7%) | |
Short | 5 (11.1%) |