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: Aphthous ulcers typically appear on
A) Dorsal tongue
B) Buccal mucosa
C) Hard palate
D) Attached gingiva
βœ… Correct Answer: B
Explanation: Aphthous ulcers favor non-keratinized mucosa like buccal and labial mucosa and the floor of the mouth.
Q: Erythroplakia has a higher risk of
A) Healing without treatment
B) Carcinomatous change
C) Cyst formation
D) Benign transformation
βœ… Correct Answer: B
Explanation: Erythroplakia has a greater potential for malignant transformation than leukoplakia.
Q: Lichen planus displays
A) Wickham’s striae
B) Koilocytosis
C) Ballooning degeneration
D) Spongiosis
βœ… Correct Answer: A
Explanation: Lichen planus is characterized by white lacy striations known as Wickham’s striae.
Q: The target-like lesions in erythema multiforme are called
A) Iris lesions
B) Verrucous nodules
C) Bullous patches
D) Herpetiform eruptions
βœ… Correct Answer: A
Explanation: Erythema multiforme presents with classic target or iris lesions, often involving skin and oral mucosa.
Q: A periapical granuloma consists of
A) Cystic fluid
B) Chronic inflammatory cells
C) Necrotic bone
D) Fibrous capsule only
βœ… Correct Answer: B
Explanation: Chronic inflammatory cells such as lymphocytes and plasma cells dominate in periapical granulomas.
Q: Ameloblastoma typically arises from
A) Enamel organ remnants
B) Salivary glands
C) Periodontal ligament
D) Cementum
βœ… Correct Answer: A
Explanation: Ameloblastoma is a benign but locally aggressive tumor originating from enamel organ derivatives.
Q: The most common salivary gland tumor is
A) Pleomorphic adenoma
B) Mucoepidermoid carcinoma
C) Adenoid cystic carcinoma
D) Oncocytoma
βœ… Correct Answer: A
Explanation: Pleomorphic adenoma is the most frequent benign tumor of the salivary glands.
Q: Peripheral giant cell granuloma is usually found on
A) Dorsum of tongue
B) Soft palate
C) Alveolar ridge
D) Floor of mouth
βœ… Correct Answer: C
Explanation: This lesion typically occurs on the gingiva or alveolar ridge, often as a reactive response to irritation.
Q: Oral melanoacanthoma is predominantly seen in
A) African-American females
B) Pregnant women
C) Elderly men
D) Children
βœ… Correct Answer: A
Explanation: Melanoacanthoma is a benign pigmented lesion seen predominantly in African-American females.
Q: Angular cheilitis is often associated with deficiency of
A) Vitamin A
B) Riboflavin
C) Iron
D) Vitamin B12
βœ… Correct Answer: B
Explanation: Riboflavin (Vitamin B2) deficiency commonly causes angular cheilitis, characterized by cracking at the corners of the mouth.