Lecture6: Infratemporal Fossa Flashcards
What muscles are contained in the infratemporal fossa?
Both medial and lateral pterygoid
Which artery is contained in the infratemporal fossa?
Maxillary
Which nerves are in the infratemporal fossa?
Mandibular and chorda tympani
What is the joint type of the Temporomandibular joint?
Synovial
What does the Temporomandibular joint do?
Opens and closes the mouth, basically complex movements like side to side movements or chewing
Which muscle is responsible for closing the mouth, ie. elevation of mandible?
Temporalis
What do the Temporalis’ posterior fibers do?
They retract the mandible
What does the Masseter do?
Elevation and protraction of mandible
What does the Lateral Pterygoid do?
Depression and protraction of mandible
What supplies all muscles of mastication?
Mandibular nerve
What Foramen does the Mandibular nerve pass through?
Foramen Ovale
What does the anterior division of the Mandibular division supply?
Motor supply
What does Middle meningeal artery damage lead to?
Extradural hematoma
How do you damage the middle meningeal artery?
Via lateral blows to the head
Which nerve is commonly used for dental anesthesia?
The Inferior Alveolar nerve
