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MM III > TMJ > Flashcards

TMJ Flashcards

1
Q

T/F Joint sounds alone cause you to have TMJ pain.

A

F

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2
Q

only muscle attached to the disc

A

lateral pterygoid mm

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3
Q

Important thing to remember about the trigemical cervical nucleaus

A

refferred pain from trigeminal nerve afferents (pain in face) to upper cervical spine (C1-C3)

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4
Q

mandibular Lateral excursion

A

ipsilateral temporalis, contralateral lateral pterygoid.

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5
Q

normative values for opening

A

M- 45-50 mm, F-40-45 mm

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6
Q

normative values for lateral excursion

A

10 mm bilaterally

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7
Q

normative values for protursion

A

5-10 mm

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8
Q

If same eye, angle of mouth are elevated

A

craniovertebral jt problem

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9
Q

If eye and opposite angle of mouth are elevated

A

craniomandibular problem

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10
Q

4 points of palpation

A

anterior/posterior and inferior/superior synovium

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11
Q

disc displacement typically pulls

A

medial

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12
Q

Typical age for TMJD

A

20-40. average 35.9

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13
Q

comorbid conditions that increase risk factors of TMJD

A

LBP, fibromyalgia, sleep apnea, depression

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14
Q

TMJ nor tooth wear __ ____ do not predict incidence

A

in isolation

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15
Q

systemic ___ _____ is likely a causitive factor

A

ligamentous hyperlaxity

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16
Q

what divides the jt into superior and inferior components

A

articular disc

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17
Q

posterior attachment of the articular disc to the

A

temporal bone through a section of loose retrodiscal tissue

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18
Q

anterior attachment of the articular disc to the

A

capsule and the superior lateral pterygoid mm

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19
Q

inserts to the neck of the condyle

A

middle, inferior lateral pterygoid

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20
Q

attached to the medial aspect of the disc, stabilizes disc against the articular eminence of the temporal bone

A

superior lateral pterygoid

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21
Q

three general movements

A

depression, elevation, lateral excursion

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22
Q

depression

A

suprahyoid mm

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23
Q

elevation

A

masseter, temporalis, med & lat pterygoid, buccinator

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24
Q

lateral excursion

A

ipsilateral temporalis, contralateral lateral pterygoid

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25
Q

STMJ is the only joint that that’s resting position is dictated by other bones..

A

Teeth (occlusion is the last link in the kinetic chain)

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26
Q

1st 15-25 mm of opening occurs ________

A

primarily as a rotational motion of the condyle in the inferior joint space

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27
Q

once the collateral ligaments tauten, the opening continues as primarily a _____ ______ in the upper joint space until ____ mm is reached and the posterior and collateral ligaments are taut

A

translatory gliding, 35

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28
Q

opening greater than 35 mm results from _________ and further stretching applied to the posterior and collateral lig

A

further translation with over-rotation

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29
Q

lateral excursion occurs when the condyle and the disc of the _____ side are pulled _______ along the articular eminence

A

contralateral, forward downward and medially

30
Q

during lat excursion, the condyle on the ipsilateral sid performs a minimal ____

A

rotation around a vertical axis and a slight lateral shift

31
Q

where do lat excursion motions take place primarily

A

upper joint space

32
Q

lat excursion:

A

contraction of contralateral lat pterygoid, and ipsilateral temporalis. the temporalis holds the rest position of the condyle to prevent the mandible from deviating anteriorly

33
Q

increased FHP placs the mandible in a

A

more retruded position

34
Q

if same eye, angle of mouth are elevated

A

craniovertebral jt problem

35
Q

if eye and opposite angle of mouth are elevated

A

craniomadibular problem

36
Q

how to palpate medial pterygoid

A

from the inferior edge of the ramus in supine

37
Q

which mm should you not try to palpate

A

Lat pterygoid

38
Q

why is it so important to get the temporal bone on the horizontal

A

mandible motions cannot normalize on an unstable base

39
Q

Pain 1

A

anterior inferior synovium

40
Q

why pain 1

A

inflammation, excessive anterior translation of the condyle, exaggerated mouth opening; condyle compresses the anterior synovium

41
Q

Pain 2

A

anterior superior synovium

42
Q

why pain 2

A

inflammation, excessive anterior translation of condyle past the inferior edge of the articular eminence; leads to chondromalacia

43
Q

Pain 3

A

lateral collateral ligament

44
Q

why pain 3

A

tenderness of the LCL suggests joint effusion, disc hypermobility, and possible medial disc displacement/excessive lateral condylar positioning

45
Q

Pain 4

A

temporomandibular ligament

46
Q

why pain 4

A

tenderness suggest progressed (moderate) hypermobility of disc, hyperactivity of the temporalis mm

47
Q

Pain 5

A

posterior inferior synovium

48
Q

why pain 5`

A

contact the neck of the condyle against the posterior temporal wall, dental occlusal issue, parafunctions, check C1-2!, predictive of DJD

49
Q

Pain 6

A

posterior superior synovium

50
Q

why pain 6

A

contact of the neck of the condyle against the posterior temporal wall, posterior synovium, AND posterior dense portion of disc, predictive of chondromalacia and DJD

51
Q

Pain 7

A

posterior ligament

52
Q

why pain 7

A

pain indicates anterior position of the disc, compression and insult to the posterior ligament where it is attached to the posterior dense portion of the disc, arteries. progressed anterior disc displacement, DJD

53
Q

Pain 8

A

retrodiscal tissue

54
Q

why pain 8

A

pain indicates anterior subluxation of the disc, progressed DJD, inflammation, bleeding, effusion (intracapsular). can lead to intra-articular adhesions that disallow reduction of the disc. disc can also be displaced medially or laterally

55
Q

excessive anterior translation causing stretching of capsule, leading to inflammation

A

Pain 1, 2

56
Q

sprain of the lateral collateral ligament or temporomandibular ligament, some degree of jt hypermobility

A

pain 3, 4

57
Q

excessive posterior position of the mandible; the neck of the condyle contacting the temporal fossa

A

pain 5, 6

58
Q

posterior ligament sprain and compression inside the jt; disc displacement

A

pain 7, 8

59
Q

pain with resisted mouth opening strongly points to

A

non-reducing disc

60
Q

in the absence of trauma to the head/mandible, the problem typically starts with

A

the craniovertebral spine

61
Q

synovitis is tender to palpation at TMJ

A

lateral condyle or posterior compartement

62
Q

pain with biting on opposite side

A

synovitis

63
Q

how to treat synovitis

A

treat with long axis distractions, re-ed for controlled opening, modalities, active rest

64
Q

T/F masticatory muscle disorders typically have joint sounds

A

F. they also have no history of joint sounds

65
Q

pain with biting on the same side

A

masticatory muscle disorders

66
Q

how to treat masticatory muscle disorders

A

controlling opening, myofascial release, POSTURAL CORRECTION of the craniocervical spine, dry needling, education on parafunction, active rest

67
Q

what does parafunction mean

A

A para-functional habit or parafunctional habit is the habitual exercise of a body part in a way that is other than the most common use of that body part.

68
Q

elongated collateral lig and retrodiscal tissues

A

disc displacement with reduction

69
Q

disc lies in a medial, anterior, or lateral position at rest

A

disc displacement with reduction

70
Q

condyles are posterior to the posterior region of the disc

A

disc displacement with reduction

71
Q

on opening the condyle reduced back of the posterior region of the disc

A

disc displacement with reduction

MM III (7 decks)

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