What is TMJ / TMD?
The Temporomandibular Joint (TMJ) is the joint connecting the lower jawbone (mandible) and the skull. It’s a sliding hinge joint immediately in front of the ear. TMD refers to a Disorder or Dysfunction of the joint. TMD covers jaw pain and associated headache, jaw stiffness, clicking, locking, or difficulty with biting, chewing, talking, yawning, facial expression, etc.
Worldwide about 30% of the population experience TMD according to a recent systematic review (Journal of Oral Facial Pain Headache, 2025 Jun;39(2):48-65)
