Causes and Risk Factors for TMJ Disorders
Temporomandibular joint disorders may occur as a result of an injury to or inflammation of the joint. Damage to the TMJ can result from the following:
- Excessive teeth grinding (e.g., during sleep; called bruxism)
- Jaw wound or trauma
- Muscle tension
- Poor posture
- Repetitive stress
In many cases, the underlying cause for TMJ symptoms is unknown.