Oral Pathology MCQs
Oral Pathology MCQs cover the diseases affecting the oral cavity, including tumors, precancerous conditions, cysts, and inflammatory diseases. These quizzes help students of BDS and MDCAT assess their ability to diagnose and understand oral conditions and prepare for clinical scenarios.
Q: Honeycomb or soap bubble radiolucency is characteristic of
A) Dentinoma
B) Compound odontoma
C) Ameloblastoma
D) Cementoblastoma
✅ Correct Answer: C
Explanation: Ameloblastoma often presents radiographically as a multilocular radiolucency resembling a honeycomb or soap bubble.
Q: The oral lesion strongly associated with tobacco chewing is
A) Candidiasis
B) Smokeless tobacco keratosis
C) Squamous papilloma
D) Leukoplakia
✅ Correct Answer: B
Explanation: Smokeless tobacco keratosis appears as a white, wrinkled lesion where tobacco is habitually placed in the mouth.
Q: A lesion that does not rub off and cannot be clinically or pathologically characterized as another disease is termed
A) Leukoplakia
B) Leukoedema
C) Lichen planus
D) White sponge nevus
✅ Correct Answer: A
Explanation: Leukoplakia is a clinical term for persistent white patches with unknown etiology requiring biopsy to rule out dysplasia or malignancy.
Q: Tooth displacement without root resorption is often seen in
A) Pindborg tumor
B) Cementoma
C) Periapical abscess
D) Odontogenic myxoma
✅ Correct Answer: D
Explanation: Odontogenic myxomas are benign but locally aggressive tumors that can cause tooth displacement without significant root resorption.
Q: The pattern of “onion-skin” periosteal reaction is typically associated with
A) Ewing’s sarcoma
B) Osteosarcoma
C) Central giant cell granuloma
D) Fibrous dysplasia
✅ Correct Answer: A
Explanation: Ewing’s sarcoma, a malignant tumor of bone, often shows concentric layers of new bone resembling onion skin.
Q: The lesion showing 'driven snow' calcifications radiographically is
A) Calcifying epithelial odontogenic tumor
B) Cementoblastoma
C) Odontoma
D) Ameloblastic fibroma
✅ Correct Answer: A
Explanation: The calcifying epithelial odontogenic tumor (Pindborg tumor) shows radiopaque flecks known as "driven snow" appearance.
Q: Parakeratinized epithelium with palisading basal cells is a histologic feature of
A) Lateral periodontal cyst
B) Dentigerous cyst
C) Odontogenic keratocyst
D) Radicular cyst
✅ Correct Answer: C
Explanation: Odontogenic keratocysts are lined by parakeratinized epithelium and show palisading of basal cell nuclei.
Q: Hairy leukoplakia is commonly associated with infection by
A) Herpes simplex virus
B) Hepatitis B virus
C) Epstein-Barr virus
D) Cytomegalovirus
✅ Correct Answer: C
Explanation: Hairy leukoplakia is a white lesion on the lateral tongue often linked to Epstein-Barr virus in immunocompromised individuals.
Q: Recurrent aphthous ulcers most often affect the
A) Palate
B) Gingiva
C) Hard palate
D) Buccal mucosa
✅ Correct Answer: D
Explanation: Recurrent aphthous ulcers typically appear on non-keratinized, mobile mucosa like the buccal and labial areas.
Q: The most common site for oral squamous cell carcinoma is the
A) Dorsal tongue
B) Hard palate
C) Floor of mouth
D) Maxillary gingiva
✅ Correct Answer: C
Explanation: The floor of the mouth and lateral border of the tongue are the most common sites due to pooling of carcinogens.