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9 Cards in this Set
- Front
- Back
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Classification of the TMJ
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Atypical condyloid synovial (anatomical)
Modified hinge (functional) |
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Articular surfaces
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Mandibular fossa
Head of mandible Intra-articular disc |
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Superior compartment
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Gliding movements
Intra-articular disc and head of mandible articulate as one unit with the mandibular fossa |
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Inferior compartment
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Hinge movements
Head of mandible articulates directly with intra-articular disc |
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Ligaments of the TMJ
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Lateral ligament (intrinsic)
Stylomandibular ligament (extrinsic, styloid process to angle of mandible) Sphenomandibular ligament (extrinsic, spine of sphenoid to lingula) |
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Muscles of protrusion
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Medial and lateral pterygoid
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Muscles of retraction
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Temporalis (posterior fibres)
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Muscles of depression
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Lateral pterygoid
Suprahyoid and infrahyoid muscles |
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Muscles of elevation
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Medial pterygoid
Temporalis Masseter |
