Brainscape's Knowledge GenomeTM

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


See full index

Oral pathology > TMJ > Flashcards

TMJ Flashcards

1
Q

Bilateral diarthrosis means

A

left and right sides must function together

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

hinge and sliding movement

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

Articulating surfaces are covered in __________rather than hyaline cartilage

A

fibrocartilage

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

Only joint in human body to have a ________ endpoint of closure where the teeth make occlusal contact

A

rigid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  • Last joint to start developing beginning at around _______ weeks in utero
A

7

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

Articular disc
Fibrocartilage devoid of any ___________
or ___________
consits of _________ type of collagen

A

Fibrocartilage devoid of any blood vessels or nerve fibers
– Type I collagen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  • Divides the joint into two separate
    compartments
    – Upper joint space= ___________ movements
    like ___________ and __________
    – Lower joint space= __________ movements like
    __________ and __________
A
  • Divides the joint into two separate
    compartments
    – Upper joint space= translational movements
    like protrusion and retrusion
    – Lower joint space= rotational movements like
    depression and elevation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  • Superior retrodiscal lamina
    – Composed of __________
    – Prevents the disc from _________
  • Inferior retrodiscal lamina
    – Composed of ___________
    – Prevents the disc from _________
  • Intermediate retrodiscal tissue
    – Consists of __________
A
  • Superior retrodiscal lamina
    – Composed of elastic fibers
    – Prevents the disc from dislocating anteriorly
  • Inferior retrodiscal lamina
    – Composed of collagen fibers
    – Prevents the disc from excessively rotating
    over condyle
  • Intermediate retrodiscal tissue
    – Consists of loose areolar connective tissue
    containing blood vessels and nerves
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

synovial fluid fun:

A

synovial fluid
– Minimizes friction
– Distribution of nutrients

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

Articular cartilage consists of __________ cartilage

A

– Type II collagen
– Proteoglycans

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

Name ligaments of TMJ

A
  • Intrinsic/Functional
    – Capsular
    – Lateral/temporomandibular
    – Collateral/discal
  • Extrinsic/Accessory
    – Stylomandibular
    – Sphenomandibular
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Capsular Ligament
* Capsule that encapsulates _______ and retains s________-

A

Capsular Ligament
* Capsule that encapsulates entire joint and retains synovial fluid

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

Which ligament provides proprioceptive feedback?

A

Capsular Ligament

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

_________ ligament limits mouth opening

A

Lateral Ligament

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

Lateral Ligament
* Outer oblique portion limits ___________
* Inner horizontal portion prevents the disc and condyle from dislocating __________

A

Lateral Ligament
* Outer oblique portion limits mouth opening
* Inner horizontal portion prevents the disc and condyle from dislocating posteriorly

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

Strain on __________ ligament produces pain

A

Collateral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Stylomandibular Ligament
* Extends from _________ to _______
* Thickening of fascia of _________ gland
* Limits excessive ________ of mandible

A

Stylomandibular Ligament
* Extends from styloid process to angle of
mandible
* Thickening of fascia of parotid gland
* Limits excessive protrusion of mandible

18
Q

Sphenomandibular Ligament
* Extends from spine of ___________ to
___________
* Embryonic remnant of ________ cartilage
__________ affects on mandible

A
  • Extends from spine of sphenoid bone to
    lingula of mandible
  • Embryonic remnant of Meckel’s cartilage
  • Helps support the mandible but has no
    limiting effects on its movement
19
Q

Ligament that calcifies in Eagle syndrome

A

Stylohyoid ligament

20
Q

Neurovascular Supply
* Supplied mainly by __________
* Minor sensory contribution from the
_______ and __________
* Supplied mainly by __________ and ________ arteries of external carotid artery

A

Neurovascular Supply
* Supplied mainly by auriculotemporal nerve of V3
* Minor sensory contribution from the masseteric and deep temporal branches of V3
* Supplied mainly by superficial temporal and maxillary arteries of external carotid artery

21
Q

__________ muscle helps in mouth opening

A

Lateral pterygoid

22
Q
  • With reduction=
  • Without reduction=
A
  • With reduction= CLICK
  • Without reduction= LOCK
23
Q
  • deviates toward one side then returns back to midline at maximum opening is termed as
A

Deviation

24
Q

Recurrent Dislocation
Tx:

A
  • Tx: Botox injection of lateral pterygoid or
    surgery if chronic
25
Q

Ankylosis
* _________ is the most common cause
* ___________ can also cause ankylosis

A

Ankylosis
* Union between condyle and skull can be
either bony or fibrous
* Trauma is the most common cause
* Surgery, radiation therapy, and infection can
also cause ankylosis

26
Q

Bruxism
TX:

A

Occlusal guard

27
Q

Nerve most damaged in TMJ surgery

A

FACIAL

28
Q

Myofascial Pain Syndrome (MPS)
* Trigger points in ____________
* Diffuse pain in __________r region
* Tx:

A

Myofascial Pain Syndrome (MPS)
* Chronic muscular pain disorder
* Most common cause of masticatory pain
* Trigger points in muscles of mastication
* Diffuse pain in preauricular region
* Parafunctional habits can contribute
* Tx: physical therapy, stress management, splint therapy,
medications

29
Q

disc repositioning surgery, for painful persistent
clicking or closed lock is termed

A

Arthroplasty

30
Q

two cannulas, instrumentation within superior joint
space is termed as

A
  • Arthroscopy
31
Q

two needles to flush out superior joint
space is termed

A
  • Arthrocentesis
32
Q
  • Medical therapy
A
  • Medical therapy—NSAIDs, steroids, analgesics,
    antidepressants, muscle relaxants
33
Q

________ film that best visualizes the lateral aspect of the TMJ, and thus is able to view the _________ pole of the condylar head.

A

Atranscranial viewis a plain film that best visualizes the lateral aspect of the TMJ, and thus is able to view the lateral pole of the condylar head.

34
Q

_________ are the most likely group of those listed to have a temporomandibular or orofacial pain complaint.

A

Young women

35
Q

The normal mandibular opening for a female is______ mmand for a male is_______- mm.

A

The normal mandibular opening for a female is35-45 mmand for a male is40-50 mm.

36
Q

The fibrocartilage extracellular matrix contains___________

A

type I collagenandelastin.

37
Q

Function of collagen and elastin

A

The function of collagen is to resist tensile forces, while the purpose of elastin is to maintain the shape of the disc.

38
Q

The elastin is primarily located in the

A

The elastin is primarily located in the anterior and posterior attachment structures of the articular disc.

39
Q

muscle fatigue in the masseter would affect the ability to close/ open the mouth?

A

close

40
Q

Painless preauricular crepitusis most likely associated with ___________
Tx:

A

osteoarthritis.
symptomatic management- include reassurance, pharmacological management with analgesics and muscle relaxants, and physiotherapy.

41
Q
A

Oral pathology (14 decks)

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