• Posterior articulating surface is greater than anterior surface.
  • The articulating surface of condyle is quite convex anteroposteriorly and only slightly convex mediolaterally.
  • Pterygoid fovea  on the antero-medial aspect of the mandibular neck where inferior head and most fibres of the superior head and lateral pterygoid muscle insert  on the mandible.
  • The attachment of discal ligaments permit the disc to be rotated anteriorly and posteriorly on the articular surface of the condyle thus the these ligaments are responsible for the hinging movements of the TMJ.
  • The discal ligaments have a vascular supply and are innervated
  • This innervation provides information regarding joint position and movement
  • Strain on these ligaments produce pain

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