Research Article
The Diagnostic Value of Pressure Algometry for Temporomandibular Disorders
Table 3
Clinical index of temporomandibular dysfunction (Di).
| Di | Symptoms |
| Mandibular movements | 0 | Normal range | 1 | Small reduction in amplitude | 5 | Large reduction in amplitude |
| Temporomandibular joint function | 0 | Smooth, noiseless abduction and adduction of mandible, trajectory asymmetry <2 mm | 1 | Noise in one joint or both joints during abduction and adduction of mandible, trajectory asymmetry >2 mm | 5 | Abduction of mandible impossible and/or luxation |
| Masticatory muscle pain | 0 | No tenderness | 1 | Tenderness of 1–3 sites | 5 | Tenderness of 4 and more sites |
| Temporomandibular joint pain | 0 | No tenderness | 1 | Unilateral or bilateral tenderness | 5 | Unilateral or bilateral tenderness of the dorsal surface of joint |
| Pain during movement of mandible | 0 | No pain | 1 | Pain during one out of all possible movement directions | 5 | Pain during more than one out of all possible movement directions |
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