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: Interglobular dentin represents areas of
A) Hypermineralization
B) Uncalcified dentin
C) Complete calcification
D) Resorbed dentin
βœ… Correct Answer: B
Explanation: Interglobular dentin is poorly calcified dentin found in the crown.
Q: Lines of Retzius are incremental lines in
A) Enamel
B) Pulp
C) Dentin
D) Cementum
βœ… Correct Answer: A
Explanation: Lines of Retzius represent rhythmic enamel deposition during tooth development.
Q: Hertwig’s epithelial root sheath determines
A) Cementum type
B) Enamel thickness
C) Crown shape
D) Root shape
βœ… Correct Answer: D
Explanation: This sheath guides root development and root dentin formation.
Q: The reduced enamel epithelium forms during
A) Mineralization
B) Root formation
C) Eruption
D) Attrition
βœ… Correct Answer: C
Explanation: Reduced enamel epithelium protects enamel before and during tooth eruption.
Q: Tomes’ process belongs to
A) Cementoblast
B) Odontoblast
C) Fibroblast
D) Ameloblast
βœ… Correct Answer: D
Explanation: Tomes’ process is an extension of ameloblasts aiding in enamel rod formation.