Medical MCQs

5099 MCQs  (Page 223 of 510)

Retrusion of mandible is achieved by _______________?
A. Lateral pterygoid
B. Temporalis
C. Masseter
D. None of the above
The maxillary teeth which have single antagonist are__________?
A. Lateral incisors
B. Permanent canines
C. Permanent central incisors
D. Third molars
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
Articular disc of TMJ is__________?
A. Thickest posteriorly
B. Narrow in the centre
C. Strengthened by lateral pterygoid
D. All of the above
The zygomatic bone does not articulate with________________?
A. Frontal bone
B. Maxillary bone
C. Nasal bone
D. Temporal bone
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
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
Depression of mandible is achieved by_______________?
A. Digastric
B. Lateral pterygoid
C. Geniohyoid
D. All of the above
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