From: Heterotopic ossification after alloplastic temporomandibular joint replacement: a case cohort study
 | Ankylosis | Osteoarthritis | Tumors | Total |
---|---|---|---|---|
HO | 16 (43.2%)# | 26 (51.0%)# | 6 (46.2%)# | 48 (47.5%) |
Type I | 10 (62.5%)* | 14 (53.8%)* | 3 (50.0%)* | 27 (56.3%) |
Type II | 4 (25.0%)@ | 11 (42.3%)@ | 1 (16.7%)@ | 16 (33.3%) |
Type III | 1 (6.3%) | 0 (0.0%) | 2 (33.3%) | 3 (6.3%) |
Type IV | 1 (6.3%) | 1 (3.8%) | 0 (0.0%) | 2 (4.2%) |
Non-HO | 21 (56.8%)^ | 25 (49.0%)^ | 7 (53.8%)^ | 53 (52.5%) |
Total | 37 (100%) | 51 (100%) | 13 (100%) | 101 (100%) |