II. Epidemiology
III. Risk Factors
IV. Symptoms
- Jaw locked in open position
- Results in pain and inflammation at TMJ articular cartilage
V. Management
- Requires immediate reduction
- Patient may attempt reduction by moving jaw laterally and opening mouth wide
- Manual reduction (if above fails)
- Consider TMJ Injection of Local Anesthetic prior to reduction
- Stabilize patient's head
- Insert thumb inside patient's mouth and grasp under chin with remainder of fingers
- Push down on posterior teeth while pulling up on chin
- Mandibular condyle should shift posteriorly back into place
- Refer to orofacial surgery urgently if unable to reduce the articular disc
VI. References
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Related Studies
| Concepts | Disease or Syndrome (T047) |
| ICD9 | 524.63 |
| ICD10 | M26.63 |
| SnomedCT | 91945006 |
| Italian | Patologia del disco articolare |
| Japanese | 関節板障害, ｶﾝｾﾂﾊﾞﾝｼｮｳｶﾞｲ |
| Czech | Porucha kloubní ploténky |
| English | Articular disc disorder, articular disc disorder of temporomandibular joint (diagnosis), articular disc disorder of jaw, TMJ disc disorder, articular disc disorder of temporomandibular joint, articular disk disorder of jaw, Articular disc disorder (reducing or nonreducing), Temporomandibular joint disorders, articular disc disorder (reducing or non-reducing), Articular disc disorder of temporomandibular joint, Articular disc disorder of temporomandibular joint (disorder), Articular disc disorder, reducing or nonreducing |
| Hungarian | Ízületi porckorong betegség |
| Spanish | artropatía discal de la articulación temporomandibular, trastorno del disco articular de la articulación temporomandibular (trastorno), trastorno del disco articular de la articulación temporomandibular, Trastorno del disco articular |
| Portuguese | Afecção de disco articular |
| Dutch | gewrichtschijfaandoening |
| French | Discopathie rachidienne |
| German | Affektion der Knorpelscheibe |
