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Dislocation of Temperomandibular joint
Types:
- Acute dislocation
- Chronic dislocation
Causes
- Acute dislocation
- Yawning with excessive wide open mouth
- Biting hard substances with high pressure
- Traumatic fracture
- Chronic dislocation
- Idiopathic
- Laxation of muscles and ligaments
- Atrophic changes of muscles and ligaments
- Osterpanthroapthy
Clinical features
- Acute dislocation
- Aim
- Open mouth
- Pt is panicky
- Painful closure of mouth
- Chronic dislocation
- Painless or mild pain
- Open mouth
Management
- Acute dislocation:
- Relaxing the patient
- Counseling the patient
- Analgesics
- Diazepam( to relax the muscles)
- Gauze piece over the last molar tooth: apply pressure first downward and then backward and upwards usually the joint will reduce
- If above procedure fails try the same again under GA
- Chronic dislocation
- Results of management are not good and recurrence occurs very often
- Some maneuver or in a cute TMJ dislocation
- Teach the patient how to reduce
- Advice to avoid wide yawning
