Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Musculoskeletal > TMJ disorders > Flashcards

TMJ disorders Flashcards

1
Q

The joint surface of the TMJ is made up of ___.

A

fibrocartilage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Area of load-bearing within the TMJ is affected by what?

A
  1. congruity of contacting tooth surfaces
  2. head position/posture
  3. coordination of muscle function
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Lower or upper cavity? Where spin/rotation of the condyle occurs.

A

lower cavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Lower or upper cavity? Where translation/gliding of the disc and condyle along the fossa occurs.

A

upper cavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What muscles are responsible for working together BILATERALLY to raise the mandible while closing the mouth?

A

masseter
medial pterygoid
temporalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What muscles are responsible for working together to depress the mandible while opening the mouth?

A

lateral pterygoid
diagastric

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Origin of the temporalis.

A

temporal fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

insertion of the temporalis.

A

anterior border of the coronoid process
ramus of the mandile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Action of temporalis.

A

assists with closing the mouth
side/side grinding of teeth
stability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

origin of the superficial layer of the masseter.

A

anterior portion of the lower order of zygomatic arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

origin of the deep layer of the masseter.

A

medial surface of the zygomatic arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

insertion of the masseter.

A

blend with the medial pterygoid and then inserts on the coronoid process, ramus, and angle of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Action of the masseter.

A

elevates mandible when closing the mouth bilaterally
ipsilateral lateral deviation of the mandible (when acting indiv.)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

origin of medial pterygoid

A

medial aspect of the mandibular ramus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

insertion of the medial pterygoid

A

posterior aspect of the angle of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

action of the medial pterygoid

A

closes the mouth bilaterally
deviate mandible to the contralateral side individually

17
Q

Origin of the superior division of the lateral pterygoid.

A

sphenoid

18
Q

action of superior division of lateral pterygoid

A

assists with chewing
rotates the disc ANTERIORLY on the condyle during closing of the mouth

19
Q

origin of the inferior division of the lateral pterygoid

A

lateral pterygoid plate

20
Q

action of the inferior division of the lateral pterygoid

A

assists with opening the mouth
protrudes the mandible
contralateral lateral deviation

21
Q

insertion of lateral pterygoid

A

neck of mandible condyle
capsule of TMJ

22
Q

TMJ arthrokinematics of mouth opening, contralateral deviation, and PROT

A

mandible rolls anteriorly
glides anteriorly, inferiorly, and laterally with the disc

23
Q

TMJ arthrokinematics of mouth closing, ipsilateral deviation, and RET

A

mandible rolls posteriorly
glides anterior, inferiorly and laterally with the disc

24
Q

open packed position of the TMJ.

A

mouth slightly open, lips together, teeth are NOT in contact

25
Q

close packed position of TMJ

A

mouth closed with teeth clenched

26
Q

Who does TMJ disorders affect more?

A

women >55 y/o

27
Q

s/s of TMJ disorders

A
  • jaw pain
  • HA
  • ear ache
  • neck pain
  • clicking/popping with mouth movement
  • lock jaw
28
Q

What are the categories of TMJ disorder?

A
  • myofascial
  • traumatic
  • arthrogenic
  • neurogenic
29
Q

definition:
- pain around the TMJ without pathology of the joint
- hypertonicity of the masseter, temporalis, medial/lateral pterygoid

A

myofascial TMD

30
Q

What are contriuting factors of myofascial TMD?

A

dental occulation
neuroendocrine factors
genetics
stress

31
Q

S/s of myofascial TMD.

A

agg w/ chewing, swallowing, speaking, and facial expression

32
Q

definition: issue within the TMJ

A

athrogenic TMD

33
Q

What are the contributing factors of arthrogenic TMD?

A

hypo/hypermobility, disc displacement, OA

34
Q

s/s of arthrogenic TMD

A
  • jaw pain
  • difficulty opening/closing mouth
  • clicking/popping/clunking sensations
35
Q

definition:
- trigeminal, laryngeal, and glossopharyngeal neuralgia

A

Neurogenic TMD

36
Q

What are the contributing factors of neurogenic TMD?

A

upper c-spine dysfunction

37
Q

s/s of neurogenic TMD.

A

unpredictable episodes of sharp, stabbing facial and/or jaw pain

38
Q

What joint mobilizations help to improve opening the mouth?

A

distraction
anterior glide
lateral stretch

39
Q

What joint mobilizations help to improve closing the mouth?

A

extraoral lateral glides
extraoral depression

Musculoskeletal (23 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions