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
Oral Anatomy MCQs with Answers
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
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
Temporo – mandibular ligament is attached to _____________?
A. Lateral aspect of TMJ
B. Posterior aspect of TMJ
C. Mandibular condyle
D. Coronioid process
Which of the portions of the intra articular disc is the thinnest ?
A. Anterior
B. Intermediate
C. Posterior
D. retrodiscal
Forward moment of mandible is done by_________?
A. Lateral pterygoid
B. Medial pterygoid
C. Temporalis – anterior fibers
D. Temporalis- posterior fibers
Which muscle is responsible for translation of condyle ?
A. Medial pterygoid
B. Masseter
C. Superior constrictor of pharynx
D. Lateral pterygoid
In which of the following areas is the alveolar process the thinnest_____________?
A. Lingual to the maxillary central incisors
B. Buccal to the mandibular central incisors
C. Lingual to the maxillary canines
D. Lingual to the mandibular first molar
