chewing and swallowing

Question 1

what is the TMJ

Answer 1

temporomandibular joint
synovial joint between the head (condyle) of the mandible and the mandibular fossa and articular tubercle of the temporal bone

Question 2

TMJ
synovial - modified ____ joint
articular cartilage - _____

Answer 2

hinge
fibrocartilage

Question 3

the ligaments of the TMJ

Answer 3

temporimandibular
stylomandibular
sphenomandibular

Question 4

synovial membrane covers _____ of capsule and _____ surfaces

Answer 4

internal aspect
non articulating

Question 5

what are the basic movements of the articular disc? hinge

Answer 5

hinge - head of mandible rotates around a transverse axis (occurs in lower compartment)

Question 6

basic movements of articular disc - gliding / translation

Answer 6

head of mandible and disc slide out of mandibular fossa on to articular tubercle (occurs in upper compartment)

Question 7

functional movements of the TMJ

Answer 7

depression
elevation
protrusion
retrusion
lateral excursion / deviation / swing

Question 8

four types of teeth

Answer 8

incisor - biting
canine - puncturing + shredding
premolar - crushing and grinding
molar - crushing and grinding

Question 9

quadrants of the mouth

Answer 9

right upper, right lower, left upper, left lower

Question 10

two sets of teeth per lifetime

Answer 10

deciduous and permanent

Question 11

when do deciduous teeth appear?

Answer 11

between 6-30 months

Question 12

when do permanent teeth appear?

Answer 12

between 6-25 yeras

Question 13

muscles of mastication

Answer 13

masseter
temporalis
medial pterygoid
lateral pterygoid

Question 14

what are the muscles of mastication innervated by?

Answer 14

mandibular division of the trigeminal nerve (CN V3)

Question 15

functions of the tongue

Answer 15

sensation - taste and general sensation
articulation
chewing
swallowing
immunological defence

Question 16

what does the tongue consist of?

Answer 16

bag of muscle covered with stratified squamous epithelium