Which of the following muscle helps in depressing the mandible ?
A. Temporalis
B. Massetor
C. Lateral pterygoid
D. Medial pterygoid
The side towards which mandible moves is called the ?
A. Tooth contact side
B. Balancing side
C. Working side
D. Non- working side
Articular disc of tmj receives insertion from which muscle__?
A. Medial pterygoid
B. Lateral pterygoid
C. Massetor
D. Temporalis
Retrusion of mandible is achieved by _?
A. Lateral pterygoid
B. Temporalis
C. Masseter
D. None of the above
The premolar alveoli are what shape in cross section__?
A. Rectangular
B. Triangular
C. Kidney shaped
D. Oval
The maxillary teeth which have single antagonist are_?
A. Lateral incisors
B. Permanent canines
C. Permanent central incisors
D. Third molars
When a molar has no opposing tooth, it can become__?
A. Extruded
B. Intruded
C. Protruded
D. Retruded
