A. Medial pterygoid
B. Masseter
C. Superior constrictor of pharynx
D. Lateral pterygoid
✅ The correct answer is option D. Lateral pterygoid.
Oral Anatomy
The two major fossa of permanent maxillary first molar________________?
A. Central fossa and mesial fossa
B. Central and distal fossa
C. Mesial and distal tringular fossa
D. Distal fossa and distal tringaular fossa
✅ The correct answer is option B. Central and distal fossa.
Posterior embrasures are generally larger on the lingual than on the facial, with the contact area within the facial moiety, except between maxillary_______________?
A. Premolars
B. 1st and 2ndmolar
C. 1st premolar and cane
D. First molar and 2nd premolar
✅ The correct answer is option D. First molar and 2nd premolar.
Primary dentition period is______________?
A. From birth to 11 years
B. From 6 months to 11 years
C. From 6 months to 6 years
D. From 6 years to 11 years
✅ The correct answer is option C. From 6 months to 6 years.
Which teeth the proximal aspect shows rhomboidal appearance________________?
A. Maxillary posteriors
B. Mandibular posteriors
C. Maxillary anteriors
D. Mandibular anteriors
✅ The correct answer is option B. Mandibular posteriors.
If a mandibular canine has bifurcated roots, they are most commonly placed_______________?
A. Mesial and distal
B. Facial and lingual
C. Mesiobuccal and distobuccal
D. Mesiolingual and distolingual
✅ The correct answer is option B. Facial and lingual.
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
✅ The correct answer is option D. Upper head of lateral pterygoid muscle.