Oral Anatomy MCQs

Page No. 13

Basically TMJ is a_____________?


aBall and socket joint


bHinge and axis joint


cSynovial joint


dDiartmodal joint


View Answer Diartmodal joint

Which of the following muscles moves the condyle and articular disc anterior and downwards on glenoid fossa______________?


aLateral pterygoid


bMedial pterygoid


cTemporalies- anterior fibers


dTemporalies- posterior fibers


View Answer Lateral pterygoid

Position and movement of articular disc of TMJ is controlled by fibers of_____________?


aLower head of lateral pterygoid muscle


bSphenomandibular ligament


cSuperficial head of medial pterygoid muscle


dUpper head of lateral pterygoid muscle



Thinnest labial plate is found in the region of____________?


aUpper central incisors


bLower central incisors


cUpper canines


dLower canines



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


aOnly hinge ( rotation )


bOnly translation


cHinge followed by translation


dTranslation followed by hinge



Articular disc of TMJ is__________?


aThickest posteriorly


bNarrow in the centre


cStrengthened by lateral pterygoid


dAll of the above


View Answer All of the above

The zygomatic bone does not articulate with________________?


aFrontal bone


bMaxillary bone


cNasal bone


dTemporal bone


View Answer Nasal bone

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


aSigmoid notch


bArticular disc


cCapsular ligament


dJoint cavities


View Answer Sigmoid notch

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


aRight lateral pterygoid


bLeft lateral pterygoid


cRight medial pterygoid


dLeft medial pterygoid



Depression of mandible is achieved by_______________?


aDigastric


bLateral pterygoid


cGeniohyoid


dAll of the above


View Answer All of the above

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