WorksheetsTMJ-Biomechanics
Total questions: 10
Worksheet time: 5mins
In which of the following TMJ dysfunction 'reciprocal click' will be heard
disc displacement with reduction
disc displacement without reduction
bruxism
inflammatory condition
Which muscle is the most active during a right lateral excursion of the mandible?
Left lateral pterygoid muscle
Right lateral pterygoid muscle
Left medial pterygoid muscle
Right medial pterygoid muscle
The lateral pterygoid muscle
is attached to the coronoid process and elevates the mandible.
is attached to the condylar process and elevates the mandible.
is attached to the coronoid process and protrudes the mandible.
is attached to the condylar process and protrudes the mandible.
TMJ is a type of synovial joint covered with hyaline articular cartilage
True
False
When the disc of the TMJ is deranged it is usually
Immobile
Displaced posteriorly
Displaced anteriorly
None of the above
The posterior elastic lamina functions to
Pull the disc backward
Pull the disc forward
Keep the disc from being pulled too far forward
Keep the disc from being pulled too far backward
The posterior collagenous lamina functions to
Pull the disc back
Pull the disc forward
Keep the disc from being pulled too far back
Keep disc from being pulled too far forward
which of the following structure is avascular and aneural
anterior disc
capsule
posterior disc
central disc
Inability to open the mouth fully demonstrates which of the following states?
disc degeneration
capsulitis
disc displacement with reduction
disc displacement without reduction
Which of the mastication muscles involve in arthrokinematics of joint?
masseter
temporalis
medial pterygoid
lateral pterygoid
