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: Presence of ghost cells is a characteristic of
A) Periapical granuloma
B) Dentigerous cyst
C) Lateral periodontal cyst
D) Calcifying odontogenic cyst
βœ… Correct Answer: D
Explanation: Calcifying odontogenic cysts show ghost cells, which are enlarged eosinophilic cells without nuclei, indicative of abnormal keratinization.
Q: A lesion located in the midline of the hard palate with pseudoepitheliomatous hyperplasia suggests
A) Inflammatory papillary hyperplasia
B) Necrotizing sialometaplasia
C) Nicotine stomatitis
D) Median rhomboid glossitis
βœ… Correct Answer: B
Explanation: Necrotizing sialometaplasia presents as a deep ulcer due to ischemic necrosis of minor salivary glands, often in the hard palate.
Q: Tooth floating in air appearance is commonly seen in
A) Fibrous dysplasia
B) Radicular cyst
C) Langerhans cell histiocytosis
D) Ameloblastoma
βœ… Correct Answer: C
Explanation: Langerhans cell histiocytosis can destroy bone around teeth, giving a radiographic impression of β€œfloating” teeth.
Q: Chronic desquamative gingivitis is commonly a manifestation of
A) Hemangioma
B) Apthous ulcers
C) Leukoplakia
D) Lichen planus
βœ… Correct Answer: D
Explanation: Desquamative gingivitis is a clinical term that often corresponds to lichen planus, mucous membrane pemphigoid, or pemphigus vulgaris.
Q: β€œStep-ladder” pattern of bone trabeculation is seen in
A) Scurvy
B) Thalassemia
C) Osteopetrosis
D) Rickets
βœ… Correct Answer: B
Explanation: Thalassemia causes marrow hyperplasia, leading to a characteristic step-ladder appearance of trabeculae in jawbones.