Following eruption , the root of the maxillary central incisor completes development at what approximate age ?
A. 7 years
B. 8 years
C. 9 years
D. 10 years
Oral Anatomy MCQs with Answers
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
