Topik 5

Question 1

What is temporomandibular joint

Answer 1

Articulates between mandible and temporal

Question 2

Occipital bone

Answer 2

Protect cerebellum and occipital lobes
Provides attachment for several muscle and ligaments

Question 3

Parietal bone

Answer 3

Bilateral bones
Two surface, 4 boarders and 4 angles

Question 4

Facial muscles

Answer 4

Located in the subcutaneous tissue
Innervated by facial expressions
3 groups; orbital, nasal, oral

Question 5

Orbital group

Answer 5

Corrugator supercilii
Orbicularis oculi
Control movement of eyelids

Question 6

Nasal group

Answer 6

Nasalis
Procerus
Depressor septi nasi

Question 7

Oral group

Answer 7

Buccinator
Obcularis oris

Question 8

Tmj bony surfaces

Answer 8

Separated by articular disk
2 synovial join- lines synovial membrane
Covered by fibrocartilage

Question 9

Tmj ligaments

Answer 9

Lateral- prevent dislocated posterior joint
Sphenomandibular- originates from sphenoid, attached to the mandible
Stylomandibular- support weight of jaw

Question 10

Movement of tmj

Answer 10

Elevation
Depression
Protraction
Retraction