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Presentation on theme: "TEMPORAL REGION."— Presentation transcript:


2 Temporal Lines Superior: Inferior:
For attachment of temporalis fascia. Inferior: For attachment of temporalis muscle.

3 Boundaries Superior and posterior boundary: Anterior boundary:
Inferior temporal line. Anterior boundary: Frontal process of zygomatic. Inferior: Zygomatic arch.

4 Floor Greater wing of sphenoid. Squamous temporal. Frontal. Parietal.

5 Contents Temporalis muscle. Deep temporal nerve and arteries.
Zygomaticofacial nerve.


7 Muscles of Mastication
General characteristics: All innervated by mandibular branch of CN V. Masseter: Zygomatic bone to lateral surface of ramus and coronoid process. Elevates and protracts mandible.


9 Muscles of Mastication
Lateral pterygoid: Lateral pterygoid plate and sphenoid to front of mandible and TMJ. Protracts mandible; depresses chin (bilateral). Grinding (unilateral).

10 Muscles of Mastication
Medial pterygoid: Lateral pterygoid plate and maxilla to medial surface of mandible near angle. Elevates, protracts (bilateral). Grinding (unilateral).


12 Muscles of Mastication
Temporalis: Temporal fossa and fascia to coronoid process. Elevates and retracts mandible.


14 Temporomandibular Joint
Synovial joint: Between head of mandible (condyloid process) and mandibular fossa of temporal bone. Intervening cartilage: Divides joint into superior and inferior compartments. Allows mandible to protract and retract as well as elevate and depress.




18 TMJ Ligaments Temporomandibular ligament: Stylomandibular ligament:
Base of zygomatic process to mandibular neck. Stylomandibular ligament: Styloid process to angle of mandible. Runs between parotid and submandibular glands.

19 TMJ Ligaments Sphenomandibular ligament:
Sphenoid spine to mandibular lingula. Lies medial to TMJ.

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