Table 2. Underlying variables in the study participants.
| Variable | Type | No | Percentage % | 
|---|---|---|---|
| Gender | Male | 4 | 16.7 | 
| female | 20 | 83.3 | |
| occlusion | Class I | 18 | 75 | 
| Class II | 4 | 16.7 | |
| Class III | 2 | 8.3 | |
| Para-function habit | Chewing gum | 3 | 12.5 | 
| Bruxism | 9 | 37.5 | |
| Clenching | 13 | 54.1 | |
| No para-function | 8 | 33.3 | |
| Muscle involvement | Masseter | 17 | 70.8 | 
| Temporalis | 9 | 37.5 | |
| Medial pterygoid | 16 | 66.6 | |
| Lateral pterygoid | 17 | 70.8 |