Table 1.
Classification of facial bone fractures
| Fracture | Types | Locations | Cases | % |
|---|---|---|---|---|
| Isolated | 1,720 | 82.1 | ||
| Frontal bone | 7 | 0.3 | ||
| Orbital bone | 159 | 7.6 | ||
| Floor | 95 | 4.5 | ||
| Medial wall | 42 | 2.0 | ||
| Roof | 4 | 0.2 | ||
| Lateral wall | 3 | 0.1 | ||
| Combined | 15 | 0.7 | ||
| Nasal bone | 790 | 37.7 | ||
| Maxilla | 27 | 1.3 | ||
| Zygoma | 119 | 5.7 | ||
| Zygomatic arch | 77 | 3.7 | ||
| Zygomaticomaxilla | 42 | 2.0 | ||
| Zygomaticofrontal bone | 0 | 0 | ||
| Mandible | 618 | 30.0 | ||
| Angle | 149 | 7.1 | ||
| Symphysis or parasymphysis | 143 | 6.8 | ||
| Condyle | 70 | 3.3 | ||
| Body | 26 | 1.2 | ||
| Ramus | 3 | 0.1 | ||
| Combined | 227 | 10.8 | ||
| Complex | 374 | 17.9 | ||
| Superior | 6 | 0.2 | ||
| Frontal and orbital roof | 1 | 0 | ||
| Frontal, orbital roof and nasal bone | 5 | 0.2 | ||
| Medial | 16 | 0.8 | ||
| Orbit medial wall and nasal bone | 16 | 0.8 | ||
| Lateral | 4 | 0.2 | ||
| Orbit lateral wall and zygomatic arch | 4 | 0.2 | ||
| Inferior | 293 | 14.0 | ||
| Zygomaticomaxilla and orbital floor | 66 | 3.2 | ||
| Zygomaticomaxilla, orbital floor and nasal bone | 42 | 2.0 | ||
| Orbital floor and nasal bone | 17 | 0.8 | ||
| Tripod | 130 | 6.2 | ||
| Zygomatic and nasal bone | 38 | 1.8 | ||
| Others | 55 | 2.7 |