Brainscape's Knowledge GenomeTM

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


See full index

TMD ORTHO > TMD > Flashcards

TMD Flashcards

1
Q

7 General features common to all appliances.

Author of article.

A 
Alteration of occlusal condition
Alteration of condylar position
Increase in vertical dimension
Cognitive awareness (of functional and parafunctional behavior) 
Placebo effect
Increased peripheral input to the CNS
Regression to the mean
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Initial therapy should be ______ and _______

A

Reversible, non-invasive

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

2 most common occlusal appliances

A

Stabilization splint, anterior repositioning splint

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

Solow:

4 purposes of Occlusal Devices:

A

Alter occlusion
Bruxism
Pain caused by muscle hyperactivity
Preview occlusal correction

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

3 criteria of Occlusal Devices:

A

Teeth contact evenly with condyles seated in glenoid fossa
Anterior teeth contact more heavily
Anterior guidance

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

Classification of anterior guidance schemes:

A

Class I: lateral excursion on canines, protrusive on centrals
Class II: lateral excusion on canines then centrals, protrusive on centrals/caninines/centrals
Class III: All caninines
Class IV: unacceptable

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

According to He, percentage of TMD group that have CR/MI discrepancy compared to control

A
  1. 9% TMD positive CR-MI discrepancy

11. 4% control CR-MI discrepancy

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

True/False There is a strong positive correlation between degree of CR/MI discrepancy and severity of TMD symptoms

A

True

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

Seligman/Pullinger found there is a limited role for _____ occlusal factors in TMD

A

Intercuspal

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

Tallents et al found no strong association between _____, _____, and TMD

A

Incisal relationships, condylar position

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

Greene suggested that if TMD arises while in ortho treatment therapy should be modified, occlusal interferences relieved, and ____ eliminated

A

Distalization of the mandible

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

True/False Overwhelming evidence is that ortho tx performed on children/adolescents is not a risk factor for TMD later

A

True

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

McNamara

There is a relatively low association of ______ characterizing TMD

A

Occlusal factors

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

*What are 5 features associated with specific diagnostic groups of TMD conditions:

A 
Skeletal anterior open bite 
OJ > 6-7mm
RCP/ICP slides >4mm
Unilateral lingual crossbite
Five or more missing posterior missing teeth
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

TMD can occur in healthy individuals
TMD increases with age
Ortho tx in adolescence does not increase or decrease odds of later TMD
Extraction does not increase risk of TMD
No particular ortho mechanics increase TMD
Inability to achieve ideal occlusion doesn’t increase TMD
There is no method of TMD prevention
Simple treatment alleviates TMD in most patients

A

True

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

Huang

Summarized 2 other summaries, finding that occlusal adjustments are NOT indicated for managing/preventing TMD

A

True

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

Rinchuse

5 implications for ortho

A

Occlusion plays lesser role TMD – from EMG biofeedback
Occlusion relevant in TMD but is secondary
Occlusal splints/biofeedback for tx of TMD supported by the evidence
Ortho does not cause TMD
No evidence for occlusal adjustments to alleviate TMD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q 
Ortho doesn’t increase TMD
Joint hypermobility not associated with TMD
CT scans not recommended for dx of disc displacement
EMG biofeedback effective
Occlusal splints beneficial
Occlusal adjustments not recommended
Hyaluronate injections unsupported
Occlusion has weak association w/ TMD
A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Wright

TMD is a _____ motion disorder of masticatory structures

A

Repetitive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

TMD with concurrent _______ is challenging and better left to physical therapists

A

Cervical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Minimum movements: _____ opening, _____ lateral, _____ protrusive

A

40mm
7mm
6mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

3 reasons to refer to physical therapy:

A

Cervical pain/cervicogenic headache
Posture – forward head posture
Needs surgery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

If pt has clicking for years that disappears suddenly and locking occurs, this is…

A

Disc displacement without reduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What indicates degenerative joint disease? This suggests?

A

Crepitation, Arthritis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Since pain is subjective the only true outcome measure is what?

A

Range of motion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Displaced disc changes what?

A

Occlusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

There is one consistent link between basal bone/incisal relationship/TMD…

A

Anterior open bite (skeletal)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

RTA – road traffic accident should be treated similarly to TMD
What are the acute symptoms?

This is due to what?

A

Inability to open mouth, chew, etc

Stretched/torn posterior attachment tissue and polar discal attachments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Often _____ develops after RTA

A

Click

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

The headache associated with TMD is what type? Treat with?

A

Tension, NSAIDS

31
Q

There is a correlation between malocclusion and what

A

Perio disease

32
Q

Ortho has what effect on perio disease?

A

No evidence supports, or small detrimental effect on peridontium

33
Q

Describe clicking

A

disc slips off condyle, usually anteriorly

34
Q

Closed lock

Tx

A

Disc in front of condyle

Splint to unload joint so retrodiscal fibers contract

35
Q

Open lock

Tx

A

Condyle in front of eminence

OS can reduce or prescribe relaxants, or surgery

36
Q

Muscles of mastication in pain

Compensation for…

Feel?

A

Extracapsular sign of TMD

Deranged stomatognathic system

Soft end feel (practitioner can open further)

37
Q

TM Joint pain

Associated with 3 things

Feel?

A

Intracapsular sign of TMD

Capsulitis, Synovitis, Retrodiscal inflammation

Hard end feel

38
Q

Stabilizing appliance indication

A

Alleviate muscular pain and Bruxism

39
Q

Anterior repositioning appliance indication

can do what?

A

Disc derangement

Recapture displaced disc (so closed lock)

40
Q

Anterior bite plane indication (2)

*this is NTI?

A

Nocturnal grinding

Deprogram joint

41
Q

Posterior bite plane what arch?

Indications? 2

A

mandible, covers only posterior teeth

  1. Acute TMD pain associated with unstable occlusion
  2. Increase VDO, conjunction with ortho
42
Q

Pivoting appliance coverage and arch

Contact where?

Indication:

A

Maxillary, bilateral or unilateral

Contralateral to joint that needs to be unloaded

Disc derangement

43
Q

Soft/resilient appliance indication

disadvantage:

A

Muscular TMD

can exacerbate symptoms (chew toy phenomenon)

44
Q

Miller on Aqualizer, theoretically a…

because…

Indications (2)

A

Perfect splint

self-balancing, stabilized immediately

Release closed lock, find CR

45
Q

Per Miller, if a pt didn’t have TMD before but developed during Tx…

A

Stop class II elastics

46
Q

4 most important things for occlusal appliance therapy success?

A

Selection
Fabrication
Adjustment
Patient cooperation

47
Q

How does Okeson find CR

A

Bilateral manipulation

48
Q

If CR is difficult to find, what 3 things should be done first?

A

Ask pt to bite on back teeth

Recline so gravity helps

Place tongue on posterior soft palate

49
Q

8 things (need 4) that need to be done before delivering a stabilizing splint

A

Stable/Retentive
All mandibular cusps/incisal edges in contact
Mn canines must contact appliance evenly in protrusion
Mn canines must contact in lateral mvmnts
Mn posteriors contact slightly heavier than anteriors
In feeding, posteriors contact more heavily
Flat occlusal surface
Polished

50
Q

ARS - anterior repositioning splint temporarily increases adaptation of…

A

Retrodiscal tissues

51
Q

Anterior bite plane main purpose…

A

muscle disorders

52
Q

5 criteria before delivering anterior repositioning appliance

A

Accurately fit Mx teeth with stability/retention

In forward position, Mn teeth contact evenly

Forward position should eliminate joint symptoms

Lingual retrusive guidance ramp should contact on closure and guide Mn forward

Polished

53
Q

Indication for pivoting appliance? 2

A

Disc displacement or dislocation

54
Q

2 Accessory ligaments for TMJ

A

Stylomandibular

Sphenomandibular

55
Q

2 types of movement the TMJ allows for are

A

Hinging

Sliding

56
Q

From anterior view, articular disc thicker where?

A

Medially

57
Q

Articular surfaces - both condyle and fossa, lined with…

A

Dense fibrous connective tissue

58
Q

A goal of orthodontics should be _____ and ______ during mandibular movements

A

Functional balance

Stability

59
Q

Roth’s Tx goals included

A

Gnathology

60
Q

Articular disc composed of

A

Dense fibrous connective tissue

61
Q

Morning headaches sign of 2 things

A

TMD

OSA

62
Q

3 examples of intracapsular derangement

A

Disc dislocation with reduction

Dislocation w/out reduction

Disc displacment

63
Q

2 things true of Disc Displacment

A

Clicking on opening

Clicking on closing

64
Q

Daytime appliance for 2 things

A

Inflammatory TMD

Disc derangement

65
Q

Night time appliance for

A

Airway obstructions

66
Q

Day/Night appliance (3)

A

Limited opening

Muscle contraction

Tension-type or temporal headaches

67
Q

AAOP Okeson’s ideal TM position is the…

A

Optimum functional relationship

68
Q

Aqualizer used to _____ joint space and _____ nociception

A

Decompress

Reduce

69
Q

% of men w/ moderate/severe OSA that haven’t been clinically diagnosed

A

82%

70
Q

OSA if complete cessation at least ___ times during 7 hours of sleep

A

30

71
Q

Sleep bruxism can result from OSA

A

True

72
Q

Oral appliance therapy recommended for what categories of OSA

A

Mild, Moderate

73
Q

Success rate of using oral appliances for OSA

A

76%

74
Q

3 things needed for success with oral appliances

A

Appropriate patient slection

Appliance selection

Diligent case management

TMD ORTHO (1 decks)

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