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TMD > TMD Exam 1 > Flashcards

TMD Exam 1 Flashcards

1
Q

Another name for clicking

A

anterior disc displacement with reduction

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2
Q

Ant displacement w/o reduction

A

*LIMITS from Opening

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3
Q

Ant displacement with reduction (clicking)

A

*Clicking does NOT limit opening

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4
Q

Should clicking interfere with how wide you open?

A

No

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5
Q

closed lock with ADD without reduction does it interfere with opening?

A

yes

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6
Q

stylomandibular ligament

A

i. extrinsic
ii. is a thickening of the fibrous capsule of the parotid gland
iii. runs from the styloid process to the angle of the mandible
iv. connects mandible to the cranium, but does NOT strengthen joint

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7
Q

sphenomandibular ligament

A

i. extrinsic
ii. runs from spine of sphenoid to the lingula of the mandible
iii. connects mandible to the cranium, but does NOT strengthen joint

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8
Q

lateral (temporomandibular) ligament

A

i. intrinsic
ii. a thickening of the articular capsule forms this ligament
iii. strengthens joint and prevents dislocation

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9
Q

lateral pterygoid

A

i. opens mouth
ii. acting together: protrude mandible
iii. acting alternatively: grinding action

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10
Q

Masseter

A

i. closes jaw by elevating mandible

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11
Q

temporalis

A

i. closes jaw and elevates mandible

ii. posterior fibers retract the mandible

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12
Q

medial pterygoid

A

i. elevates mandible and closes jaw
ii. acting together: protrude mandible
iii. acting alone: protrudes one side
iv. acting alternatively: grinding action

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13
Q

capsulitis

A

inflammation of joint similar to sinovitis

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14
Q

Osteoarthritis (most common)

A

i. “wear and tear” arthritis

ii. Next most common is rheumatoid arthritis

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15
Q

internal derangements

A

clicking and popping

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16
Q

systemic arthritis

A

i. every systemic arthritis you have in the body can be in the TMJ
1. ex: rheumatoid arthritis, psoriatic arthritis, gouty arthritis, etc.

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17
Q

traumatic arthritis

A

joint is inflamed b/c of injury

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18
Q

Differential diagnosis is important so ….

A

treatment can be focused on Joint or muscle

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19
Q

Most TMD cases are a combination of joint and muscle are?

A

multifactorial

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20
Q

Most important thing when screening patient

A

HISTORY

Note: only thing for immediate treatment is ADD without replacement

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21
Q

How to utilize diagnosis?

A

1) Initial diagnosis
- Capsulitis and myalgia

2) Sub diagnosis
- superior capsulitis

3) lateral pterygoid myalgia
4) masseter myalgia

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22
Q

Make distinction between capsulitis and myalgia

-maybe sneak superior capsulitis question in there and how to treat

A

1) put pivot on one side

2) Initial treatment is maxillary stabilization, PT & biofeedback

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23
Q

MOST common pivot?

A

Unilateral pivot

  • Single posterior ‘bump’ on splint to bring down ipsilateral condyle
24
Q

Masseter trigger points?

A

i. Ear
ii. Lower Molars
iii. Above Right Eye

25
Q

Temporalis trigger points?

A

i. Upper Ant. Teeth
1. Anterior Temp

ii. Upper Bicuspids
1. Middle Temp

iii. Upper Molars
1. Posterior Temp

26
Q

SCM trigger points?

A

i. Ear
ii. Eye

iii. Above Eye
1. Can be Contralateral
Occiput (Refers to mostly the sinus area, the eye, and above the eye

27
Q

Posterior Cervicals trigger points?

A

i. Temple
1. Pain comes from trapezius rather than the temporalis
ii. Eye
iii. Ear

28
Q

Lateral Pterygoid trigger points?

A

i. TMJ
ii. Eye
iii. Zygoma

**(Hard to palpate)

29
Q

Temporalis Tendon trigger points?

A

Mimics TMJ and Masseter pain (hard to tell the difference)

30
Q

1) % population has at least one sign of joint dysfunction
2) % has at least one symptom
3) % of population needs treatment

A

1) 75%
2) 33 %
3) 5-7 %

31
Q

opening pain muscle or joint?

A

Can be muscle or joint

  • Check location
  • Check referred pain
32
Q

Closing pain muscle or joint?

A

Usually joint

33
Q

Chewing muscle or joint?

A

Muscle or Joint

34
Q

Moving the head muscle or joint?

A

Neck

35
Q

Sharp pain =

A

Sharp pain = joint

36
Q

Dull pain =

A

= muscle

37
Q

Pain associated w/ clicking

A

joint

38
Q

Side to Side Movement

A

Usually joint pain

39
Q

Limited Opening without deviation

A

Usually muscle

40
Q

Limited opening w/ deflection to one side

A

probable ADD w/o reduction on side of deflection

41
Q

Protrusion

A

deflection to one side indicates ADD w/o reduction on same side of deflection

42
Q

% patients that come for pain are non tooth pain

A

40%

43
Q

___________ is inferior, hinge movements of depression and elevation occur in inferior compartment

A

rotation

44
Q

___________ is superior, gliding movements of protrusion and retrusion occur in superior compartment

A

sliding

45
Q

Jugular vein does not go through ?

A

TMJ

46
Q

Dentist treat…

A

TMD, Sleep apnea, Headache/migraine, Neuropathic pain, Non-dental tooth pain, movement disorders

47
Q

over 40 mm ________ motion

A

Vertical

48
Q

10-12 mm ____ motion

A

Lateral

49
Q

Protrusion =

A

= 8-10 mm

50
Q

i. referred pain from a tender point to a distant site
ii. Treated with stretching, heat/cold, and rest
iii. Muscle relaxants can be helpful

A

Myofascial pain

51
Q

i. Muscle inflammation due to trauma or infection
ii. Treated differently than muscle tightness/Myalgia
1. NSAIDS
2. Steroids
3. Rest
4. No stretching

A

Myositis

52
Q

i. Jaw snaps shut - Is not just tight or sore but is a forceful, painful contraction
ii. look for systemic cause
1. could be due to low potassium or other minerals, or hormonal imbalance
iii. may be due to virus or other medical problem

A

Spasm

53
Q

i. Localized muscle soreness
ii. tender to palpation
iii. most common muscle pain
iv. doesn’t refer to a distant site
v. responds to stretching

A

Myalgia

54
Q

i. muscle tighten to protect joints/other muscles
ii. need to find the cause of the need to protect
iii. treat the cause and use muscle relaxants, rest, and stretching

A

protective splinting

55
Q

i. muscle has undergone degenerative change that causes contracted state to persist
ii. usually due to injury or infection
iii. calcified contracture (rare)
iv. can be hereditary

A

myofibrotic contracture

56
Q

Formation of ‘pseudo-disc’ over several weeks with an appliance is much more common than permanent change in disc placement… Unloading… best treatment… its like a..

A
  • Unloading it for a while and gradually loading again
  • This is the best treatment instead of surgery
  • It’s like a callus in the joint

TMD (2 decks)

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