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: Secondary dentin is deposited
A) After tooth eruption
B) In response to decay only
C) Before root formation
D) Throughout life after eruption
Q: The cell-rich zone of the pulp lies
A) Beneath the odontoblastic layer
B) Above cementum
C) Within the periodontal ligament
D) Adjacent to enamel
Q: Cementocytes are found in
A) Dentin tubules
B) Cellular cementum
C) Acellular cementum
D) Pulp chamber
Q: The peritubular dentin is characterized by being
A) Formed by cementoblasts
B) Less mineralized
C) Located in pulp
D) More mineralized than intertubular dentin
Q: Striae of Retzius are best observed in
A) Histological pulp slides
B) Cross-sections of dentin
C) Longitudinal bone sections
D) Ground sections of enamel
Q: The outer enamel epithelium of the enamel organ functions to
A) Protect the enamel organ
B) Stimulate pulp formation
C) Form enamel rods
D) Lay down dentin
Q: Hunter-Schreger bands are visible due to changes in
A) Pulp cell density
B) Cementum thickness
C) Salivary gland activity
D) Orientation of enamel rods
Q: A reduced enamel epithelium forms after
A) Pulp exposure
B) Enamel maturation
C) Cementum formation
D) Root resorption
Q: The junction between enamel and cementum is called
A) Enamel-dentin junction
B) Pulp-cementum junction
C) Alveolar ridge
D) Cementoenamel junction
Q: Predentin lies adjacent to the
A) Odontoblasts
B) Enamel
C) Periodontal ligament
D) Cementum