Question: Distal contact of upper first premolar is________________?

• 1. Lower than mesial contact area
• 2. Little cervical to junction of occlusal and middle third of crown
• 3. Higher than mesial contact area
• 4. A and B

Question: The contact area on the distal surface of a maxillary first premolar should be placed in________________?

• 1. Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure
• 2. Occlusal 3rd of proximal surface with the lingual embrasure greater than facial embrasure
• 3. Occlusal 3rd of proximal surface with facial embrasure greater than lingual embrasure
• 4. Middle 3rd with facial embrasure greater than the lingual embrasure

Question: The tooth that is commonly seen in an abnormal relation and contact with its adjacent teeth of the same arch is ________________?

• 1. Mandibular first premolar
• 2. Mandibular lateral incisor
• 3. Maxillary central incisor
• 4. Maxillary lateral incisor

Question: Largest embrasure lies between______________?

• 1. Maxillary central incisors
• 2. Maxillary central and lateral incisor
• 3. Maxillary canine and first premolar
• 4. Maxillary lateral incisor and canine

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