II. Epidemiology

III. Risk Factors

  1. Prior jaw locking episodes
  2. Teeth clenching or Bruxism history
  3. Chronic clicking on jaw movement

IV. Symptoms

  1. Jaw locked in open position
  2. Results in pain and inflammation at TMJ articular cartilage

V. Management

  1. Requires immediate reduction
  2. Patient may attempt reduction by moving jaw laterally and opening mouth wide
  3. Manual reduction (if above fails)
    1. Consider TMJ Injection of local anesthetic prior to reduction
    2. Stabilize patient's head
    3. Insert thumb inside patient's mouth and grasp under chin with remainder of fingers
    4. Push down on posterior teeth while pulling up on chin
    5. Mandibular condyle should shift posteriorly back into place
  4. Refer to orofacial surgery urgently if unable to reduce the articular disc

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Ontology: Articular disc disorder of temporomandibular joint (C0685925)

Concepts Disease or Syndrome (T047)
ICD9 524.63
ICD10 M26.63
SnomedCT 91945006
Italian Patologia del disco articolare
Japanese 関節板障害, カンセツバンショウガイ
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