MCQs in Oral Surgery

1) The most important barrier to the diffusion of local anaesthetic within the nerve is

a) epineurium  b) endoneurium  c) perilemma  d) none of the above

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2)  The branch of the external carotid artery given at the level of the tip of the greater cornu of hyoid bone is

a) superior thyroid  b) lingual  c) facial  d) ascending pharyngeal

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3) In orthognathic surgery, which of the following jaw movements has the least chances of relapse.

a) superior repositioning of maxilla  b) mandibular advancement  c) inferior repositioning of maxilla  d) mandibular advancement with genioplasty.

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4) The muscle most commonly affected in myofascial pain dysfunction syndrome is

a) masseter  b) medial pterygoid  c) lateral pterygoid  d) temporalis

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5) Which of the following statements is not wrong?

a) The odontogenic keratocyst has the highest recurrence rate amongst the odontogenic cysts.

b) Carnoys solution may be used to prevent the chances of recurrence.

c) All of the above.

d) None of the above.

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