Jaw Locking: Causes, First Aid, and Treatment Options

Jaw locking occurs when the jaw becomes stuck in either an open or closed position, making it difficult or impossible to move normally. Closed lock (the most common type) happens when the articular disc in the TMJ displaces and blocks the jaw from opening fully. Open lock occurs when the jaw dislocates and becomes stuck in a wide-open position. Both types can be alarming but are usually treatable with proper management.

An orofacial pain specialist (a dentist with advanced training in facial pain conditions) is the ideal provider for TMJ disorders and chronic facial pain. General dentists can diagnose many TMJ issues and refer to specialists when needed. If your symptoms include severe headaches, vision changes, or neurological symptoms, start with your physician.

Conservative TMJ treatments (splint therapy, physical therapy, exercises) typically show improvement within 2 to 6 weeks. Some patients notice relief sooner. Treatment plans usually span 3 to 6 months, with periodic adjustments. Complete resolution may take longer for chronic or complex cases.

Some TMJ symptoms, particularly those related to temporary stress or minor muscle strain, can resolve on their own with self-care (soft diet, jaw rest, heat application). However, symptoms that persist for more than 2 weeks, worsen over time, or include locking or significant pain should be evaluated by a specialist.

TMJ treatment coverage varies by insurance plan. Dental insurance may cover splints and some treatments. Medical insurance may cover physical therapy, medications, injections, and surgery. Some plans specifically exclude TMJ treatment. Check with both your dental and medical insurance for coverage details.

Orofacial pain encompasses a broader range of conditions beyond tooth-related pain, including TMJ disorders, muscle pain, nerve pain (neuralgia), headaches, and referred pain. The complexity of these conditions requires specialized training to diagnose and treat effectively.