Maximum fluoride content is seen in_____________? A. Dental cementum B. Dental pulp C. Enamel D. Dentin

Secondary cementum is generally confined to_____________? A. Cervical third of the root B. Middle third of the rootC. Apical third of the root D. No secondary cementum forms

Cellular cementum and compact bone contain____________? A. Sharpehy’s fibres and elastic fibres B. Collagen fibres and blood vesselsC. Canaliculi and incremental lines D. Lacunae and elastic fibres

Cellular cementum is____________? A. First formed cementumB. Less calcified than acellular type C. More calcified than acellular type D. Less irregular

Bundle bone is part of____________? A. Periodontal ligamentB. Alveolar bone C. Cementum D. Longbones

Hardness of fully mineralized cementum is_____________? A. Less than dentin B. More than dentin C. Equal dentin D. None of the above

Which of the following is true of cellular cementum ? A. Forms during root formationB. Forms after the eruption of the tooth C. Seen at the coronal portion of the tooth D. Formation is a slow process

The cementuoenamel junction is approximately at the level at which the root canal becomes_____________? A. Twisted B. CurvedC. Pulp chamber D. Lateral canal

Intermediate cementum is____________? A. Highly defined cellular zone near cemento – dentinal junction (CDJ) B. Highly defined fibrillar zone near CDJC. Poorly defined zone near cemento-dentinal junction D. Both a and B

Inorganic content of cementum is______________? A. 45 to 50% B. 50 to 55% C. 55 to 60% D. 60 to 65%