A. Inter tubular dentin
B. Peritubular dentin
C. Circum pulpal dentin
D. Secondary dentin
Related Mcqs:
- Marked reduction in amount of dentin, widening of predentin layer, presence of large area of interglobular dentin and irregular pattern of dentin is seen in______________?
A. Hypocalcified dentin
B. Odonto dysplasia
C. Dentin dysplasia
D. Dentinogenesis imperfecta - In adult teeth, the type of dentin present underlying dentin-enamel junction is_______________?
A. Predentin
B. Mantle dentin
C. Interglobular dentin
D. Tertiary dentin - Compared to the inter tubular dentin, peritubular dentin is characterized by which of the following ?
A. Greater stainability
B. Lasser content of inorganic salts
C. greater content of inorganic salts
D. Greater content of large collagen fibres - Smooth surface caries is characterized by spread of caries in enamel and dentin as cones. These alignment in enamel and dentin is____________?
A. Base to base
B. Apex to base
C. Apex to apex
D. None of the above - Dentin islands are frequently found in the root canals of which of the following permanent teeth ?
A. Maxillary lateral incisor & mandibular canine
B. Maxillary 2nd premolar & maxillary 1st molar
C. Maxillary 2nd premolar & mandibular canine
D. Maxillary 1st molar & mandibular 2nd premolar - The zone of dentin most recently formed and uncalcified is known as____________?
A. Mantle dentin
B. Circumpulpal dentin
C. Predentin
D. Secondary dentin - Dentin formed through out the life is______________?
A. Sclerotic dentin
B. Secondary dentin
C. Reparative dentin
D. All of the above - The main bulk of dentin is formed by______________?
A. Peritubular dentin
B. Mantle dentin
C. Inter tubular dentin
D. Predentin - The hertwig’s epithelial root shealth is essential to development of the root because it_______________?
A. Gives rise to cementoblasts that produce cementum of the root
B. Moulds the shape of roots and stimulates differentiation of odontoblasts
C. Given rise to odontoblasts that lay down dentin of the root
D. Remians as an essential constituents of the periodontal ligament - The type of tertiary dentin which contains cellular inclusions is found in_____________?
A. Sclerotic dentin
B. Mantle dentin
C. Predentin
D. Osteodentin
