TMD Flashcards
(74 cards)
7 General features common to all appliances.
Author of article.
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
Initial therapy should be ______ and _______
Reversible, non-invasive
2 most common occlusal appliances
Stabilization splint, anterior repositioning splint
Solow:
4 purposes of Occlusal Devices:
Alter occlusion
Bruxism
Pain caused by muscle hyperactivity
Preview occlusal correction
3 criteria of Occlusal Devices:
Teeth contact evenly with condyles seated in glenoid fossa
Anterior teeth contact more heavily
Anterior guidance
Classification of anterior guidance schemes:
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
According to He, percentage of TMD group that have CR/MI discrepancy compared to control
- 9% TMD positive CR-MI discrepancy
11. 4% control CR-MI discrepancy
True/False There is a strong positive correlation between degree of CR/MI discrepancy and severity of TMD symptoms
True
Seligman/Pullinger found there is a limited role for _____ occlusal factors in TMD
Intercuspal
Tallents et al found no strong association between _____, _____, and TMD
Incisal relationships, condylar position
Greene suggested that if TMD arises while in ortho treatment therapy should be modified, occlusal interferences relieved, and ____ eliminated
Distalization of the mandible
True/False Overwhelming evidence is that ortho tx performed on children/adolescents is not a risk factor for TMD later
True
McNamara
There is a relatively low association of ______ characterizing TMD
Occlusal factors
*What are 5 features associated with specific diagnostic groups of TMD conditions:
Skeletal anterior open bite OJ > 6-7mm RCP/ICP slides >4mm Unilateral lingual crossbite Five or more missing posterior missing teeth
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
True
Huang
Summarized 2 other summaries, finding that occlusal adjustments are NOT indicated for managing/preventing TMD
True
Rinchuse
5 implications for ortho
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
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
True
Wright
TMD is a _____ motion disorder of masticatory structures
Repetitive
TMD with concurrent _______ is challenging and better left to physical therapists
Cervical
Minimum movements: _____ opening, _____ lateral, _____ protrusive
40mm
7mm
6mm
3 reasons to refer to physical therapy:
Cervical pain/cervicogenic headache
Posture – forward head posture
Needs surgery
If pt has clicking for years that disappears suddenly and locking occurs, this is…
Disc displacement without reduction
What indicates degenerative joint disease? This suggests?
Crepitation, Arthritis
