09.17 TMD Flashcards
1
Q
How to distinguish between muscle and joint pain
A
- joint pain is constant, muscle pain comes and goes
- “one finger test”
- tongue blade test
2
Q
tongue blade test
A
muscle pain increases on the biting side
joint pain increases when biting on the opposite side
3
Q
general characteristics of MPD patients
A
- predominately females
- 20-40 yr old group
- often suffer from chronic depression
- they seek multiple care providers (they never seem to be happy with what you do)
4
Q
diagnosis of condylar agensis
A
- present at birth
- …
5
Q
diagnosis of unilateral condylar hypoplasia
A
On the affected side:
- condylar deformity
- short, wide ramus
- short mandibular body
- fullness of the face
- bigger notch at the angle of the mandible (antegonial notching)
6
Q
diagnosis of unilateral condylar hyperplasia
A
- symmetrical condylar enlargement
- facial asymmetry
- prognathic appearance
- no antegonial notching
- bowing of inferior border of the mandible (bc of eruption of teeth and that brings the alveolar bone also)
7
Q
Trismus
A
limitation of movement due to muscle inflammation or spasm
8
Q
ankylosis
A
a chronic limitation of movement due to joint consolidation
9
Q
diagnosis of degenerative joint disease
A
- dull aching preauricular pain
- pain is well localized
- joint is often tender
- mild to moderate limitation of movement
- bc of this, frequent muscle tenderness
- can have clicking or popping sounds
- late stanges: crepitant sounds, bone agains bone
- possible radiographic changes
10
Q
radiographic findings in secondary DJD
A
- subchondral sclerosis
- condylar flattening
- marginal lipping
- erosiions and osteophytes (bony projections)
- bone cysts (ely’s cysts)
- decreased joint space
- changes in articular eminence
11
Q
stages of internal derangement
A
- incoordination Phase (catching)
- anterior disc displacement with reduction on mouth opening (clicking)
- anterior disc displacement without reduction on mouth opening (locking)
- disc adhesion to the fossa without displacement (locking)
