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MCQs on Oral Histology - Development and Growth of Teeth Part 2


# The formation of the dental lamina is initiated by:
A. Forebrain
B. Rathke's Pouch
C. Neural Crest Cells
D. Odontoblasts

# Accessory canals result from :
A. Defects in cementogenesis
B. Dividing epithelial bridges
C. Break in Hertwig's root sheath
D. Adherent epithelial rests

# The Hertwig's epithelial root sheath 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. Gives rise to odontoblasts that lay dentin of thee root
D. Remains as an essential constituent of the periodontal ligament

# A supernumerary tooth results from a deviation during:
A. Initiation
B. Differentiation
C. Apposition
D. Calcification


# Which of the following anomalies occur during the initiation and proliferation of tooth development ?
A. Amelogenesis imperfecta
B. Dentinogenesis imperfecta
C. Enamel hypoplasia
D. Oligodontia

# Blood supply of ameloblast for most of its life cycle comes from :
A. Dental papilla
B. Reduced enamel organ
C. Dental sac
D. Dental pulp

# The successors of deciduous teeth develops from:
A. Successional lamina
B. Dental lamina
C. Stellate reticulum
D. Neural ectodermal cells

# Lip furrow band is :
A. Vestibular lamina
B. Successional lamina
C. Dental lamina
D. Basal lamina

# Outer and inner enamel epithelium is first seen in:
A. Bud stage
B. Advanced bell stage
C. Cap stage
D. Bell stage

# Temporary structures in enamel organ are :
A. Enamel cord
B. Enamel knot
C. Both of the above
D. Enamel Cuticle

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