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.Management Sciences
Category: Development And Growth of Teeth
Morphological stages of tooth development are explained based on_____________?
A. Shape of enamel organ
B. Shape of tooth germ
C. Function of enamel organ
D. Shape of dental papilla
Nutrition for ameloblasts after 1st layer of enamel is laid is______________?
A. Dental sac
B. Odontoblastic process
C. Ree
D. Dental Papilla
Dental papilla gives rise to_____________?
A. Pulp only
B. Pulp & Dentin
C. Pulp & Periodontal ligament
D. All of the above
Temporary structures in enamel organ are (before enamel formation) ?
A. Enamel knot
B. Enamel cord
C. Both A and B
D. Enamel Cuticle
Hertwig’s epithelial root sheath is made up of_______________?
A. Outer and inner enamel epithelium
B. Stratum intermedium
C. Stellate reticulum
D. Hyaline layer of Hopewell-smill
The cells of the enamel organ which differentiate into future ameloblasts are_____________?
A. Cells of inner enamel epithelium
B. Cells of outer enamel epithelium
C. Cells of stellate reticulum
D. Cells of stratum intermedium
Which of the following statement is correct?
A. Enamel cannot form in absence of dentin
B. The formation of enamel and dentin are independent of each other
C. Enamel formation can occur in absence of dentin
D. None of the above
Which of the following is not an ecto-mesenchymal derivative ?
A. Dentin
B. Cementum
C. Pulp
D. Enamel
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
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