Table 6.
Distribution of type of maxillofacial trauma according to external causes. São Luís, Brazil, 2019 (n = 400).
| Type of Maxillofacial Trauma |
External Causes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Automobile Accident | Motorcycle Accident | Work-Related Accident | Physical Aggression |
Accident with Animal |
Domestic Accident | Struck by Vehicle |
Practice of Sports |
Assault | Fall | p * | |
| Frontal fracture | 0 (0.0) | 1 (11.1) | 1 (11.1) | 1 (11.1) | 0 (0.0) | 0 (0.0) | 1 (11.1) | 1 (11.1) | 0 (0.0) | 4 (44.4) | 0.188 |
| Mandibular Fracture F |
7 (6.4) | 53 (48.2) | 2 (1.8) | 25 (22.7) | 1 (0.9) | 0 (0.0) | 1 (0.9) | 2 (1.8) | 8 (7.3) | 11 (10.0) | 0.008 |
| Maxillary Fracture F |
4 (10.0) | 15 (37.5) | 1 (2.5) | 9 (22.5) | 0 (0.0) | 1 (2.5) | 1 (2.5) | 0 (0.0) | 4 (10.0) | 5 (12.5) | 0.199 |
| Zygomatic Fracture G |
1 (1.8) | 31 (55.4) | 0 (0.0) | 10 (17.9) | 1 (1.8) | 0 (0.0) | 3 (5.4) | 1 (1.8) | 2 (3.6) | 7 (12.5) | 0.113 |
| Zygomatic- orbital fracture |
1 (5.9) | 9 (52.9) | 0 (0.0) | 2 (11.8) | 1 (5.9) | 0 (0.0) | 1 (5.9) | 1 (5.9) | 1 (5.9) | 1 (5.9) | 0.777 |
| Zygomatic- maxillary fracture |
0 (0.0) | 9 (75.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 1 (8.3) | 2 (16.7) | 0 (0.0) | 0 (0.0) | 0.056 |
| Orbital fracture | 2 (13.3) | 2 (13.3) | 1 (6.7) | 4 (26.7) | 1 (6.7) | 0 (0.0) | 0 (0.0) | 3 (20.0) | 0 (0.0) | 2 (13.3) | 0.161 |
| Nose fracture F | 4 (5.6) | 7 (9.9) | 3 (4.2) | 16 (22.5) | 0 (0.0) | 1 (1.4) | 4 (5.6) | 15 (21.1) | 0 (0.0) | 21 (29.6) | <0.001 |
| Nasoethmoid orbital fracture |
0 (0.0) | 8 (66.7) | 0 (0.0) | 3 (25.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 1 (8.3) | 0 (0.0) | 0 (0.0) | 0.380 |
| Compound fracture |
1 (5.3) | 16 (84.2) | 0 (0.0) | 1 (5.3) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 1 (5.3) | 0.028 |
| Soft tissue injury |
6 (15.4) | 13 (33.3) | 0 (0.0) | 9 (23.1) | 1 (2.6) | 2 (5.1) | 1 (2.6) | 2 (5.1) | 0 (0.0) | 5 (12.8) | 0.104 |
F Simple fractures were combined with fractures of specific bones; G simple zygomatic fracture and zygomatic arch fracture; * likelihood ratio test.