Deep Face 2

Question 1

What are the muscles of mastication?

Answer 1

Masseter, temporalis, lateral and medial pterygoid

Question 2

Temporalis muscle: What is the action of Anterior and medial fascicles?

Answer 2

elevate jaw

Question 3

Temporalis muscle: What is the action of posterior fascicles ?

Answer 3

retract jaw

Question 4

What muscle is innervated by the Anterior and Posterior Deep Temporal Nerves, branches from Mandibular Div. of Trigeminal, V3

Answer 4

Temporalis

Question 5

_____ separates masseter from buccinator.

Answer 5

Buccal fat pad

Question 6

Strong elevator of the jaw, mighty _____

Answer 6

masseter

Question 7

Masseter: Innervated by the Masseter branch from the stem of the _____ Division of Trigeminal Nerve

Answer 7

Mandibular

Question 8

Superior head of the Lateral Pterygoid Muscle arises from _____ of sphenoid bone
and inserts mainly into articular capsule and disc of TMJ

Answer 8

infratemporal crest

Question 9

Inferior head of the Medial Pterygoid Muscle arises from lateral surface of _____
and inserts into condylar process of mandible, pterygoid fovea

Answer 9

lateral pterygoid plate

Question 10

Action of lateral pterygoid muscle?

Answer 10

Open the jaw by pulling condyle and articular disc forward

Question 11

Medial Pterygoid Muscle is Deep to Lat. Pterygoid; runs parallel to _____

Answer 11

Masseter

Question 12

Deep head of Medial Pterygoid Muscle ORIGINATES deep from the medial surface of the _____ plate.

Answer 12

lateral pterygoid

Question 13

Superficial head of Medial Pterygoid Muscle ORIGINATES Superficial from the tuberosity of the _____

Answer 13

maxilla

Question 14

Medial Pterygoid Muscle Inserts onto the mandible near the _____, interior side

Answer 14

angle

Question 15

Medial Pterygoid Muscle:
• Functions to elevate and _____ the mandible
• Works also to _____ food

Answer 15

protrude; “grind”

Question 16

Both _____ and _____attach to angle of the

mandible, forming masseteric (mandibular) sling, or “hammock”

Answer 16

masseter; medial pterygoid

Question 17

Articular tubercle of the temporal bone: _____ limit of the TMJ.

Answer 17

anterior

Question 18

Mandibular Fossa of the temporal bone: receives _____ of the mandible to create the TMJ.

Answer 18

head

Question 19

Postglenoid tubercle of the temporal bone: _____ limit of the TMJ.

Answer 19

posterior

Question 20

_____ process of the mandible: with its neck and head.

Answer 20

Condyloid

Question 21

TMJ Articular Disc is Biconcave, made of

_____.

Answer 21

fibrocartilage

Question 22

TMJ is Associated with _____ and _____ of mouth

Elevation/depression

Answer 22

opening and closing

Question 23

Condyles of mandible rotates on articular disc about _____ axes through mandibular condyles

Answer 23

transverse

Question 24

TMJ Articular disc glides anteriorly and posteriorly along temporal bone between mandibular fossa and _____ tubercle

Answer 24

articular

Question 25

Movements at the TMJ: Elevation/depression is in _____ compartment

Answer 25

inframeniscal

Question 26

Movements at the TMJ: Protrusion/retraction is in _____ compartment

Answer 26

suprameniscal

Question 27

The _____ membrane of the TMJ joint capsule encloses the temporomandibular joint complex, and is attached to the articular disc

Answer 27

fibrous

Question 28

The Ligaments of the TMJ function to help _____ the movement of the joint, but they DO NOT _____ it or prevent excessive movement due to force

Answer 28

limit; stabilize

Question 29

Temporomandibular ligament (lateral ligament) of TMJ: • _____ part of the joint capsule • Runs from lateral _____ process, anterior to articular capsule, to mandibular neck • Strengthens the TMJ _____ • Together with _____ tubercle, prevents posterior dislocation of the joint

Answer 29

- Thick - zygomatic - laterally - postglenoid

Question 30

Stylomandibular ligament of TMJ: • Thickening of the _____ membrane of the parotid gland • Posterior to joint; from tip of _____ process to angle of mandible

Answer 30

fibrous; styloid

Question 31

Sphenomandibular ligament of TMJ: • Medial to joint; from spine of sphenoid bone to _____ of mandible • Passive support of the mandible

Answer 31

-lingula

Question 32

-bruxism (grinding of teeth) -holding tension in face and jaw -tooth loss -trigger points in muscles of mastication -whiplash -systemic disease -neck dysfunction -neck muscle trigger points (THESE ARE CAUSES OF WHAT?)

Answer 32

TMJ

Question 33

-headache -face pain, scalp pain -ear pain -vertigo, ringing in ears, itchy ears -jaw pain -clicking, popping, locking of jaw -teeth pain -sinus pain (THESE ARE SYMPTOMS OF WHAT?)

Answer 33

TMJ