The Temporal , Parotid , Infratemporal and Submandibular regions

The Temporomandibular Joint

Classification

Synovial modified hinge variety

Articulating surfaces

 
  • Head of mandible (3)
  • Mandibular fossa of temporal bone (1)
  • Articular tubercle of squamous temporal bone
  • Articular disc (2)

Capsule

Thin and attaches to margins of articular surfaces
Stability factors

Ligaments
Principal:

Lateral temporo mandibular joint


Accessory:

Sphenomandibular
Stylomandibular
Relations
 
Superficial
Anterior
Medial
 
  • Parotid gland
  • Temporal and zygomatic branches of facial nerve
  • Transverse facial vessels
  • Superficial temporal artery and vein
  • Auriculotemporal nerve
  • Tendon of lateral pterygoid
  • Masseteric nerve and vessels
  • Posterior
  • Parotid gland
  • Auriculotemporal nerve
  • Tympanic part of temporal bone
  • Spine of sphenoid
  • Chorda tympani nerve
  • Auriculotemporal nerve
  • Middle meningeal artery
  • Mandibular nerve
  • Accessory meningeal artery
  • Lesser petrosal nerve
 
  Blood supply
  • Superficial temporal artery
  • Muscular branches of maxillary artery
 
  Innervation
  • Auriculotemporal nerve
  • Masseteric nerve