tempromandibular joint

Question 1

what type of joint is a tmj joint

Answer 1

synnovial bilateral joint made up of glidinga nd hinge movements

Question 2

the tmj influences what

Answer 2

function esthetics and structural harmony of the face

Question 3

what are the bones that form the tmj

Answer 3

mandubula and temporal joint

Question 4

the mandibular condyle articulates with what of the temporal bone

Answer 4

mandibular condyle
mandibular fossa
articular tubercle

Question 5

the upper compartment and lower compartment
of the articular surface is between what

Answer 5

disc and temporal bone
condyle and the disc

Question 6

the sides of the tmj is strengthened by what ligament

Answer 6

collateral ligament and the lateral tempromandibular ligamrnt is the strongest

Question 7

what are the two accessory ligament associated with the tmj

Answer 7

stylomandibular ligament
sphenomandibular ligament

Question 8

What nerve innervates the tmj

Answer 8

trigeminal nerve

Question 9

the affernt innervation of the tmj are what nerves

Answer 9

mandibular nerve and auriculo temporal nerve

Question 10

addiitional nerve that innervates the tmj

Answer 10

deep temporal and maseteric

Question 11

what are the four arteries that supply the tmj

Answer 11

superficial temporal
deep auricular
anterior tympanic
ascending pharyngeal

Question 12

explain the translatory movement of the tmj

Answer 12

its in the superior part of the joint
it provides ant and inferior movement of the mandible

Question 13

explain the hinge movement of the tmj

Answer 13

its in the inferior partof the tmj
it permits the opening of the mandible

Question 14

what are the muscles of mastication

Answer 14

temporalis
masseter
pterygoideus lateralis
pterygoideus medialis

Question 15

muscles for mandibular depression

Answer 15

digastricus
stylohyodieus
geniohyodieus
sternohyodieus
omohyoideus

Question 16

what are the normal rom for tmj

Answer 16

mandibular depression-40-60
lateral deviation-8-12
protruction=8-12
retruction=3mm

Question 17

a shift in the midline during the opening that dissapears with continued opening is what

Answer 17

deviation

Question 18

a shift in the middle to one side that decomes greater with the opening and is maintained in that postion at maximum opening is what

Answer 18

deflection

Question 19

in the ausculation of the tmj why does clicking occur

Answer 19

the incordinated movement of the condlar head and tmj disc

Question 20

what are the differentaited clickings heard in the tmj

Answer 20

initial
intermediate
terminal
reciprocal

Question 21

what is tmd=tempromandibular disroders and its characteristics

Answer 21

cluster of joint and muscle disorders in the orofacial area

xtreristiics
pain
joint sound
irregular jaw functions

Question 22

signs and symptoms of tmd

Answer 22

jaw clicking
difficulty in opening the mouth
popping sounds in the ear
stiff or sore jaw muscles

Question 23

with age change what happens to the condyles

Answer 23

thinning
thicker
flat
osteoporosis

Question 24

with age changes what happes to the disc

Answer 24

becomes thinner
hyalinization and chondriod changes

Question 25

with age changes wht happens to the blood vessels and nerves

Answer 25

walls thicken
nerve resuces

Question 26

treatments of the tmj disrorders

Answer 26

drug treatment
like anti inflammatory
muscle relaxtants
anti anxiety drugs
antdepressants