Table 2.
Distribution of disc displacement and effusion found by using MRI
| Left TMJ effusion | Disc displacement with reduction | Disc displacement without reduction | Normal disc position | Total |
| No | 7 (58.3%) |
2 (16.7%) |
3 (25%) |
12 (100%) |
| Yes | 21 (55.3%) |
15 (39.5%) |
2 (5.3%) |
38 (100%) |
| Total | 28 (56%) |
17 (34%) |
5 (100%) |
50 (100%) |
| Right TMJ effusion | Disc displacement with reduction | Disc displacement without reduction | Normal disc position | Total |
| No | 4 (57.1%) |
2 (28.6%) |
1 (14.3%) |
7 (100%) |
| Yes | 25 (58.1%9 |
14 (32.6%) |
4 (9.3%) |
43 (100%) |
| Total | 29 (58%) |
16 (32%) |
5 (10%) |
50 (100%) |
TMJ, temporomandibular joint.