Question: Secondary cementum is generally confined to_____________?

• 1. Cervical third of the root
• 2. Middle third of the root
• 3. Apical third of the root
• 4. No secondary cementum forms

Question: Cellular cementum and compact bone contain____________?

• 1. Sharpehy’s fibres and elastic fibres
• 2. Collagen fibres and blood vessels
• 3. Canaliculi and incremental lines
• 4. Lacunae and elastic fibres

Question: Cellular cementum is____________?

• 1. First formed cementum
• 2. Less calcified than acellular type
• 3. More calcified than acellular type
• 4. Less irregular

Question: Bundle bone is part of____________?

• 1. Periodontal ligament
• 2. Alveolar bone
• 3. Cementum
• 4. Longbones

Question: Hardness of fully mineralized cementum is_____________?

• 1. Less than dentin
• 2. More than dentin
• 3. Equal dentin
• 4. None of the above

Question: Which of the following is true of cellular cementum ?

• 1. Forms during root formation
• 2. Forms after the eruption of the tooth
• 3. Seen at the coronal portion of the tooth
• 4. Formation is a slow process

Question: The cementuoenamel junction is approximately at the level at which the root canal becomes_____________?

• 1. Twisted
• 2. Curved
• 3. Pulp chamber
• 4. Lateral canal

Question: Intermediate cementum is____________?

• 1. Highly defined cellular zone near cemento – dentinal junction (CDJ)
• 2. Highly defined fibrillar zone near CDJ
• 3. Poorly defined zone near cemento-dentinal junction
• 4. Both a and B

Question: Inorganic content of cementum is______________?

• 1. 45 to 50%
• 2. 50 to 55%
• 3. 55 to 60%
• 4. 60 to 65%

Question: The region in which cementum formation is most rapid is_____________?

• 1. Middle
• 2. Coronal
• 3. Apical
• 4. Interradicular