MCQs on Oral Histology - Development and Growth of Teeth Part 4


# Morphological stages of tooth development are explained based upon:
A. Shape of enamel organ
B. Shape of tooth germ
C. Functions of enamel organ
D. Shape of dental papilla

# The disturbances occured during "calcification" stage of tooth development is seen in:
A. Peg laterals
B. Microdontia
C. Supernumerary tooth
D. Interglobular dentin

# Tooth develops from:
A. Ectoderm, mesoderm
B. Ectoderm
C. Mesoderm
D. Ectoderm and endoderm

# Which of the following is not an ectomesenchymal derivative?
A. Dentin
B. Cementum
C. Pulp
D. Enamel

# The relationship between the pulpal and periodontal tissue complex beegins during dental development at:
A. Adolescent stage
B. 5-10 years
C. Embryonic stage
D. None of the above


# In cap stage, regulating factor for cusp shape formation is present in:
A. Dental papilla
B. Dental follicle
C. Inner enamel epithelium
D. Enamel knot

# 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 stellete reticulum
D. Cells of stratum intermedium

# 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

# The transitory structures that may be seen during early tooth development are:
A. Enamel Knot
B. Enamel Navel
C. Enamel Cord
D. All of the above

# During cap stage, signalling in odontogenic epithelium is done by:
A. Dental follicle
B. Enamel knot
C. Dental papilla
D. Inner enamel epithelium

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