Question: In primates; a tooth with single conical cusp and single root is seen in________________?

• 1. Haplodont
• 2. Heterodont
• 3. Acrodont
• 4. Thecodont

Question: The primary centre of formation of each lobe is present in_____________?

• 1. Apex of the root
• 2. Tip of the cusp
• 3. Centre of the crown
• 4. Centre of the tooth

Question: The interdental papilla is located in the______________?

• 1. Facial embrasure
• 2. Lingual embrasure
• 3. Cervical embrasure
• 4. Occlusal embrasure

Question: Protective crests of contour on buccal and lingual surfaces are found______________?

• 1. In the middle third of the lingual
• 2. Nearest the occlusal third of the lingual
• 3. In the cervical third of the buccal
• 4. Both A and C

Question: Buccal surface of posterior teeth are wider than lingual surface mesiodistally except in______________?

• 1. Maxillary first molar
• 2. Mandibular second premolar
• 3. Mandibular first molar
• 4. Maxillary second premolar

Question: Which of the following are the unctions of contact areas______________?

• 1. Distribution of occlusal stresses
• 2. Protection of periodontium
• 3. Stabilization of dental arches
• 4. All of the above

Question: Which four mandibular teeth are so aligned that when viewed from the occlusal, a straight line may be drawn bisecting the contact areas_____________?

• 1. 5,6,7,8
• 2. 4,5,6,7
• 3. 3,4,5,6
• 4. 2.3.4.5

Question: Contact areas of anterior teeth which are placed in centre of middle third ____________?

• 1. Mesial contacts of maxillary lateral and canine
• 2. Distal contacts of maxillary centrals and laterals
• 3. Distal contacts of maxillary laterals and canine
• 4. Mesial contacts of maxillary first and second premolar

Question: Which of the following do not contribute to arch stability ?

• 1. Cusps
• 2. Root forms
• 3. Embrasures
• 4. Periodontal fibers

Question: Mesial contact area of the permanent canine is at the______________?

• 1. Middle third
• 2. Junction of the incisal and middle thirds
• 3. Junction of the middle and cedrvical thirds
• 4. None of the above