TMJ Flashcards
1
Q
loud click on opening?
A
disc reduction
2
Q
small click on closing?
A
disc dislocation
3
Q
max width of mandible depression
A
40-50 mm, 4 fingers
fxnl range= 35 mm, 3 fingers
4
Q
elevation mm (closing mouth)
A
masseter
temporalis
medial pterygoid
-superior fibers of lateral pterygoid stab. disc
5
Q
depression mm (opening mouth)
A
inf. fibers of lat. pterygoid,
suprahyoids,
infrahyoids,
gravity
6
Q
protrusion mm
A
masseter
medial and lat. pterygoids
7
Q
retrusion mm
A
masseter,
temporalis
suprahyoids
digastrics
8
Q
lateral deviation
A
ipsilateral temporalis and masseter
contralateral med. and lateral pterygoids
