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.Management Sciences
Category: Development And Growth of Teeth
The relationship between the pulpal and periodontal tissue complex begins during dental development at_____________?
A. Adolescent stage
B. 5-10 years
C. Embryonic stage
D. None of the above
A supernumerary tooth results from a deviation during_____________?
A. Initiation
B. Differentiation
C. Apposition
D. Calcification
Outer and inner enamel epithelium first seen in____________?
A. Bud stage
B. Advanced bell stage
C. Cap stage
D. Bell stage
Following is derivative of dental lamina____________?
A. Epithelial rests of Malassez
B. Enamel pearls
C. Rests of serrae
D. All of the above
The cap stage in tooth development is characterized by_____________?
A. morphodifferentiation
B. reversal of functional polarity
C. Formation of hammock ligament
D. Increased mitotic activity
Atypical or osteodentin is formed due to disturbance during____________?
A. Morphodifferentiation
B. Histodifferentiation
C. Apposition
D. Initiation
Cementum formation is seen_______________?
A. After dentin formation
B. Before dentin formation
C. Both are formed at same time
D. None of the above
Disturbance during the morphodifferentition stage of tooth development will result in______________?
A. Change in number of teeth
B. Ameloblastoma
C. Change in form and shape of the teeth
D. Hypoplasia
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
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