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Which of the following movement (s) is / are involved in the opening of the mouth?

  • (A)  Only hinge ( rotation )
  • (B)  Only translation
  • (C)  Hinge followed by translation
  • (D)  Translation followed by hinge
Submitted By :Ali Uppal


Articular disc of TMJ is__________?

  • (A)  Thickest posteriorly
  • (B)  Narrow in the centre
  • (C)  Strengthened by lateral pterygoid
  • (D)  All of the above
Submitted By :Ali Uppal


The zygomatic bone does not articulate with________________?

  • (A)  Frontal bone
  • (B)  Maxillary bone
  • (C)  Nasal bone
  • (D)  Temporal bone
Submitted By :Ali Uppal


Which of the following is not a structural element of the temporomandibular joint ?

  • (A)  Sigmoid notch
  • (B)  Articular disc
  • (C)  Capsular ligament
  • (D)  Joint cavities
Submitted By :Ali Uppal


On opening the mouth , if the jaw deviates to the right side, it indicates the paralysis of__________?

  • (A)  Right lateral pterygoid
  • (B)  Left lateral pterygoid
  • (C)  Right medial pterygoid
  • (D)  Left medial pterygoid
Submitted By :Ali Uppal


Depression of mandible is achieved by_______________?

  • (A)  Digastric
  • (B)  Lateral pterygoid
  • (C)  Geniohyoid
  • (D)  All of the above
Submitted By :Ali Uppal


Lateral movement of condyle is caused by_____________?

  • (A)  Contralateral lateral pterygoid muscle
  • (B)  Both lateral and medial pterygoid muscle
  • (C)  Epsilateral lateal pterygoid muscle
  • (D)  Bilateral contraction of lateral pterygoid muscle
Submitted By :Ali Uppal


Which is the predominant factor in the formation of the alveolar process_____________?

  • (A)  Eruption of teeth
  • (B)  Normal process of growth
  • (C)  Lengthening of the condyle
  • (D)  Overall growth of the bodies of the maxilla and the mandible
Submitted By :Ali Uppal


Temporo – mandibular ligament is attached to _____________?

  • (A)  Lateral aspect of TMJ
  • (B)  Posterior aspect of TMJ
  • (C)  Mandibular condyle
  • (D)  Coronioid process
Submitted By :Ali Uppal


Which of the portions of the intra articular disc is the thinnest ?

  • (A)  Anterior
  • (B)  Intermediate
  • (C)  Posterior
  • (D)  retrodiscal
Submitted By :Ali Uppal