Table 1 Univariate Analysis of Related Factors of the mandibular fractures (angle and condyle fractures).
Variables | Angle fracture (n = 44) | Condyle fracture (n = 29) | P value | OR (CI 95%) |
---|---|---|---|---|
Gender | ||||
Male | 35 (79.5%) | 22 (75.9%) | 0.710 | 1 |
Female | 9 (20.5%) | 7 (24.1%) | 1.23 (0.39 – 3.80) | |
Age groups | ||||
17–34 Age groups | 12 (27.3%) | 11 (37.9%) | 0.547 | 1 |
35–50 Age groups | 17 (38.6%) | 11 (37.9%) | 0.75 (0.22 – 2.15) | |
51–65 Age groups | 15 (34.1%) | 7 (24.1%) | 0.50 (0.14 – 1.69) | |
Etiology | ||||
Road traffic accidents | 22 (50.0%) | 10 (34.5%) | 0.021* | 1 |
Falls | 13 (29.5%) | 18 (62.1%) | 3.04 (1.10 – 8.83)* | |
Assaults | 7 (15.9%) | 1 (3.4%) | 0.31 (0.01 – 2.12) | |
Status of fractures | ||||
Isolated fractures | 27 (61.4%) | 12 (41.4%) | 0.094 | 1 |
Associated fractures | 17 (38.6%) | 17 (58.6%) | 2.25 (0.87 – 5.97) | |
Associated site | ||||
Body | 5 (29.4%) | 3 (17.6%) | 0.728 | – |
Symphysis | 5 (29.4%) | 5 (29.3%) | – | |
Parasymphysis | 3 (17.6%) | 4 (23.5%) | – | |
Angle | 1 (5.9%) | 1 (5.9%) | – | |
Condyle | 1 (5.9%) | 4 (23.5%) | – | |
Ramus | 1 (5.9%) | 0 | – | |
Alveoli | 1 (5.9%) | 0 | – | |
M3 | ||||
Present | 31 (70.5%) | 13 (44.8%) | 0.026* | 1 |
Absent | 13 (29.5%) | 16 (55.2%) | 2.93 (1.11 – 7.98)* | |
Root configuration | ||||
Unclear cases | 7 (22.6%) | 2 (15.4%) | 0.570 | 1 |
Separate roots | 10 (32.3%) | 4 (30.8%) | 1.40 (0.20–12.19) | |
Fused roots | 8(25.8%) | 2 (15.4%) | 0.87 (0.08–8.94) | |
Single root | 6 (19.4%) | 5 (38.5%) | 2.91 (0.44–26.12) | |
Vertical depth of M3 | ||||
Type A | 10 (32.3%) | 4 (30.8%) | 0.367 | 1 |
Type B | 15 (48.4%) | 4 (30.8%) | 0.66 (0.12–3.41) | |
Type C | 6 (19.4%) | 5 (38.5%) | 2.08 (0.39–11.69) | |
M3 horizontal impaction | ||||
Class I | 17 (54.8%) | 2 (15.4%) | 0.035* | 1 |
Class II | 10 (32.3%) | 6 (46.2%) | 5.10 (0.96–39.65) | |
Class III | 4 (12.9%) | 5 (38.5%) | 10.62 (1.66–97.33)* | |
M3 angulations | ||||
Mesioangular | 11 (35.5%) | 4 (30.8%) | 0.793 | 1 |
Distoangular | 5 (16.1%) | 1 (7.7%) | 0.55 (0.02–5.07) | |
Vertical | 8 (25.8%) | 5 (38.5%) | 1.71 (0.34–9.03) | |
Horizontal | 7 (22.3%) | 3 (23.1%) | 1.17 (0.18–7.04) | |
Occlusal support | ||||
Occlusal support present | 29 (76.3%) | 8 (30.8%) | < 0.001* | 1 |
Occlusal support absent | 9 (23.7%) | 18 (69.2%) | 7.25 (2.46–23.45)* |