In the mandibular arch, in which tooth maximum lingual inclination is present_?
A. 1st premolar
B. 3rd molar
C. Lateral incisors
D. Canine
In maxillary 1st permanent molar, the 2 obtuse angles are__?
A. Mesiolingual and mesiofacial
B. Mesiofacial and distolingual
C. Distofacial and mesiolingual
D. Distofacial and mesiofacial
Basically TMJ is a___?
A. Ball and socket joint
B. Hinge and axis joint
C. Synovial joint
D. Diartmodal joint
Which of the following muscles moves the condyle and articular disc anterior and downwards on glenoid fossa?
A. Lateral pterygoid
B. Medial pterygoid
C. Temporalies- anterior fibers
D. Temporalis – posterior fibers
Position and movement of articular disc of TMJ is controlled by fibers of_?
A. Lower head of lateral pterygoid muscle
B. Sphenomandibular ligament
C. Superficial head of medial pterygoid muscle
D. Upper head of lateral pterygoid muscle
Thinnest labial plate is found in the region of__?
A. Upper central incisors
B. Lower central incisors
C. Upper canines
D. Lower canines
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
