Question: Curve passing through the buccal and lingual cusp tips of the mandibular buccal teeth is______________?

• 1. Wilson curve
• 2. Mansoon curve
• 3. Curve of spee
• 4. Caternary curve

Question: In occlusion the teeth have_______________?

• 1. Cusp to cusp contact
• 2. Edge to edge contact
• 3. Marginal contact
• 4. Surface to surface contact

Question: Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________?

• 1. Centric occlusion
• 2. Rest position
• 3. Protrusive contacts
• 4. Laterotrusive contacts

Question: The incisal edges and the incisal thirds of facial surfaces of mandibular incisors and canines generally oppose lingual surfaces of maxillary incisor and canines _____________?

• 1. Within the incisor thirds
• 2. At the junction of middle and cervical thirds
• 3. At the linguo cervical ridges
• 4. Immediately incisal to cingulam

Question: The key to occlusion is_______________?

• 1. Maxillary permanent first molar
• 2. Maxillary permanent second molar
• 3. Maxillary primary first molar
• 4. Maxillary primary second molar

Question: In centric occlusion, the cusp tip of the maxillary canine is in alignment with which mandibular tooth_____________?

• 1. Facial embrasure of canine and premolar
• 2. incisal embrasure of canine and premolar
• 3. Distal ridge of the cusp of mandibular canine
• 4. Mesial ridge on the facial cusp of mandibular first premolar

Question: When a molar has no opposing tooth, it can become_______________?

• 1. Extruded
• 2. Intruded
• 3. Protruded
• 4. Retruded

Question: In normal occlusion , with which grooves / surface of the permanent mandibular first molar does the mesiobuccal cusp of the permanent maxillary first molar occlude______________?

• 1. Distobuccal groove
• 2. Mesial surface
• 3. Mesiobuccal surface
• 4. Transverse groove

Question: The maxillary teeth which have single antagonist are__________?

• 1. Lateral incisors
• 2. Permanent canines
• 3. Permanent central incisors
• 4. Third molars

Question: The curvature of the cervical line of most teeth will be approximately____________?

• 1. 2 mm less distally than mesially
• 2. 1 mm less distally than mesially
• 3. 2 mm less lingually than buccally
• 4. 1 mm less lingually than buccally