Oral Anatomy Mcqs

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