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: The most common site for oral cancer is
A) Hard palate
B) Tongue lateral border
C) Floor of mouth
D) Upper lip
โœ… Correct Answer: B
Explanation: Lateral borders of the tongue are frequent sites due to exposure to carcinogens.
Q: Ludwigโ€™s angina is a rapidly spreading infection of
A) Buccal mucosa
B) Sublingual and submandibular spaces
C) Maxillary sinus
D) Parotid gland
โœ… Correct Answer: B
Explanation: Ludwigโ€™s angina is a life-threatening cellulitis that compromises the airway.
Q: Granular cell tumor most commonly affects the
A) Gingiva
B) Buccal mucosa
C) Hard palate
D) Dorsum of tongue
โœ… Correct Answer: D
Explanation: This benign tumor typically arises on the dorsum of the tongue and contains granular cytoplasm.
Q: The presence of Koplik spots is an early sign of
A) Measles
B) Rubella
C) Mumps
D) Herpes
โœ… Correct Answer: A
Explanation: Koplik spots are small white lesions on the buccal mucosa, indicative of measles.
Q: Peripheral giant cell granuloma occurs most frequently on the
A) Floor of mouth
B) Palate
C) Gingiva
D) Tongue
โœ… Correct Answer: C
Explanation: It arises from the periodontal ligament or periosteum and is confined to gingiva.
Q: Erythroplakia is best described as a
A) Painful red ulcer
B) Benign white plaque
C) Red patch with high malignant potential
D) Fungal lesion
โœ… Correct Answer: C
Explanation: Erythroplakia carries a higher risk of dysplasia and malignancy than leukoplakia.
Q: A common feature of necrotizing ulcerative gingivitis is
A) Painless ulcers
B) Hyperplasia
C) Pseudomembrane formation
D) Enamel erosion
โœ… Correct Answer: C
Explanation: NUG presents with a grayish pseudomembrane, foul odor, and painful gingival ulcers.
Q: Most odontogenic tumors originate from
A) Bone marrow
B) Connective tissue
C) Cementum
D) Dental lamina
โœ… Correct Answer: D
Explanation: Many tumors arise from remnants of dental lamina or enamel organ epithelium.
Q: The main cause of pericoronitis is
A) Hormonal imbalance
B) Genetic mutation
C) Impacted tooth
D) Viral infection
โœ… Correct Answer: C
Explanation: Pericoronitis is inflammation of soft tissue around an erupting or partially erupted tooth.
Q: Odontoma is considered a
A) Malignant tumor
B) Inflammatory condition
C) Traumatic lesion
D) Developmental anomaly
โœ… Correct Answer: D
Explanation: Odontomas are hamartomas composed of enamel, dentin, and pulp tissues.