Oral Histology MCQs
Oral Histology MCQs are tailored for dentistry students seeking mastery of tooth development and oral tissue structure. These questions focus on enamel formation, dentin-pulp complex, cementum, alveolar bone, and salivary glands. They're excellent for preparation of BDS, MDCAT, and related tests.
Q: Enamel originates from cells called
A) Fibroblasts
B) Ameloblasts
C) Odontoblasts
D) Cementoblasts
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Correct Answer: B
Explanation: Ameloblasts are specialized epithelial cells responsible for the formation of enamel during tooth development.
Q: Dentin formation begins with the activity of
A) Osteoblasts
B) Cementocytes
C) Ameloblasts
D) Odontoblasts
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Correct Answer: D
Explanation: Odontoblasts secrete the organic matrix of dentin and initiate its mineralization.
Q: The hardest tissue in the human body is
A) Enamel
B) Cementum
C) Bone
D) Dentin
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Correct Answer: A
Explanation: Enamel is composed of highly mineralized hydroxyapatite crystals, making it the hardest tissue.
Q: Cementum covers the
A) Root of the tooth
B) Alveolar bone
C) Pulp
D) Enamel
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Correct Answer: A
Explanation: Cementum is a calcified tissue that covers the root and provides attachment for periodontal fibers.
Q: The primary function of the dental pulp is to
A) Form enamel
B) Provide nutrition and sensation
C) Anchor the tooth
D) Aid in mastication
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Correct Answer: B
Explanation: The pulp contains blood vessels and nerves that nourish the tooth and transmit sensory information.