A. Amelogenisis imperfecta
B. Dentinogenesis imperfecta
C. Enamel hypoplasia
D. Oligodontia
0
The hertwig’s epithelial root shealth is essential to development of the root because it_______________?
0
The formation of the dental lamina is initiated by______________?
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
0
In multirooted teeth, formation of multiple roots is due to presence of_____________?
A. Forebrain
B. Rathke’s pouch
C. Neural crest cells
D. Odontoblasts
0
First appearance of tooth formation occurs in____________?
A. Epithelial diaphragm
B. Cell rests of Malassez
C. Toot bud division or bell stage
D. None of the above
0
Disturbance during the morphodifferentition stage of tooth development will result in______________?
A. 6th week IU
B. 2nd week IU
C. 9th week IU
D. 4th week IU
0
Dental papilla gives rise to_____________?
A. Change in number of teeth
B. Ameloblastoma
C. Change in form and shape of the teeth
D. Hypoplasia
0
The bud, cap and bell stage of the developing tooth are based, on growth of the______________?
A. Pulp only
B. Pulp & Dentin
C. Pulp & Periodontal ligament
D. All of the above
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