The osseous internal posterior boundary of TMJ is
A. the sphenosqamous fissure
B. the petrosquamous fissure
C. the anterior wall of external auditory meatus
D. the petrosquamous fissure and squamotympanic fissure
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The articular eminence belongs to
A. the cheekbone
B. the maxilla
C. the temporal bone
D. the sphenoid bone
E. the occipital bone
Which ligament prevents the over-posterior movement of the condylar process?
A. the temporomandibular ligament
B. the sphenomandibular ligament
C. the disco-malleolar ligament
D. the stylomandibular ligament
Which ligament is loose when the mouth is wide open?
A. the temporomandibular ligament
B. the sphenomandibular ligament
C. the pterymandibular ligament
D. the stylomandibular ligament
When the mandible is protruded to the maximum, the tightest ligament is
A. the condylar mandibular ligament
B. the sphenomandibular ligament
C. the disco-malleolar ligament
D. the stylomandibular ligament
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