Muscles of the face

Question 1

Al muscles of mastication are innervated by

Answer 1

Mandibular branch of trigeminal nerve Temporalis masseter medial pterygoid lateral pterygoid

Question 2

OIAN pterygoids

Answer 2

Medial pterygoid Origin: medial surface of lateral pterygoid plate Insertion: inner surface of the angle of the mandible Action: elevates mandible, moves mandible side to side Lateral pterygoid Origin: lateral surface of lateral pterygoid plate Insertion:TMJ action: depress mandible to open your jaw

Question 3

OIAN temporalis

Answer 3

ddd

Question 4

OIAN Masseter

Answer 4

ddd

Question 5

What do we need to know about the TMJ?

Answer 5

It’s a modified hinge joint with… Synovial capsule Articular disc Articulations: Manidular fossa mandibular condyle articular tubercle of temporal bone

Question 6

What are the ligaments of the TMJ?

Answer 6

Stylomandibular ligament lateral ligament of the TMJ