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Types of injury according to the epidemiological classification adopted by WHO and modified by Andreasen et al. (2007)
| WHO codes | Type of injury | N | % |
|---|---|---|---|
| 0 |
No sign of injury |
1100 |
83.3 |
| 1 |
Treated injury |
14 |
1.0 |
| 2 |
Enamel fracture only |
143 |
10.8 |
| 3 |
Enamel/Dentin fracture |
44 |
3.4 |
| 4 |
Pulp involvement |
17 |
1.3 |
| 5 |
Missing teeth due to trauma |
2 |
0.2 |
| Total | 1320 | 100.0 |
