Question: The embrasure areas in the following areas are contentious______________?

• 1. Labial and lingual
• 2. Lingual and Occlusal
• 3. Incisal and Occlusal
• 4. Labial and Occlusal

Question: All embrasure spaces are reflection of the______________?

• 1. Form of the teeth involved
• 2. Size of the teeth involved
• 3. Eruption sequence involved
• 4. None of the above

Question: The biting forces at molar region during mastication is_______________?

• 1. 20 to 55 pounds
• 2. 30 to 75 pounds
• 3. 50 to 75 pounds
• 4. 90 to 200 pounds

Question: The faciolingual angulation of the upper central incisor is approximately___________________?

• 1. 20°
• 2. 28°
• 3. 33°
• 4. 38°

Question: All are true about calciotraumatic line, except______________?

• 1. Due to caries
• 2. Due to death of odontoblastic layer
• 3. It remains after caries is removed
• 4. Because of odontoblastic migration from cell rich zone

Question: Posterior embrasures are generally larger on the lingual than on the facial, with the contact area within the facial moiety, except between maxillary_______________?

• 1. Premolars
• 2. 1st and 2ndmolar
• 3. 1st premolar and cane
• 4. First molar and 2nd premolar

Question: The distance from the CEJ to the alveolar crest normally is____________?

• 1. 1 – 1.5 mm
• 2. 2 mm
• 3. 2 – 2.3 mm
• 4. 3 mm

Question: Which teeth show less curvature on the crown above the cervical line than any other teeth_____________?

• 1. Maxillary anterior
• 2. Mandibular canine
• 3. Mandibular anteriors
• 4. Maxillary canine

Question: Which anterior teeth have both mesial and distal contact areas of at the incisal third____________?

• 1. Mandibular centrals
• 2. Mandibular laterals
• 3. Both A and B
• 4. None of the above

Question: The contact area on the distal side of a maxillary first premolar is located _____________?

• 1. Middle of the middle third with buccal embrasure wider than lingual
• 2. Middle of the middle third with lingual embrasure wider than buccal
• 3. Litter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasure
• 4. Cervical third with buccal embrasure wider than lingual embrasure