FREE NDEB Oral Pathology and Diagnosis Questions and Answers

Question 1

A 25-year-old female presents with multiple, asymptomatic, bilateral, white, folded lesions on her buccal mucosa.
The lesions have a spongy texture and have been present since childhood.
When the mucosa is stretched, the whiteness diminishes.
Her family history reveals that her mother has a similar condition.
Which of the following is the most likely diagnosis?

Accepted Answer

White Sponge Nevus

Answer

Lichen Planus

Answer

Leukoedema

Answer

Candidiasis

Question 2

A panoramic radiograph of a 16-year-old male reveals a well-defined, unilocular radiolucency associated with the crown of an unerupted mandibular third molar. The lesion is asymptomatic. Which of the following is the most probable diagnosis?

Accepted Answer

Dentigerous Cyst

Answer

Ameloblastoma

Answer

Odontogenic Keratocyst

Answer

Radicular Cyst

Question 3

A 55-year-old male, who is a heavy smoker and consumes alcohol regularly, presents with a persistent, velvety red patch on the floor of his mouth. The lesion is asymptomatic and does not rub off. What is the most appropriate next step in management?

Accepted Answer

Perform an incisional biopsy

Answer

Prescribe a topical antifungal agent

Answer

Advise the patient to stop smoking and re-evaluate in 3 months

Answer

Reassure the patient and schedule a 1-year follow-up

Question 4

A patient with Crohn's disease presents for a routine dental examination. Which of the following oral manifestations is most commonly associated with this systemic condition?

Accepted Answer

Cobblestone appearance of the buccal mucosa

Answer

Bilateral parotid gland enlargement

Answer

Atrophic glossitis

Answer

Strawberry gingivitis

Question 5

Which of the following is the most common benign salivary gland tumor, typically presenting as a slow-growing, painless, firm mass, most often in the parotid gland?

Accepted Answer

Pleomorphic Adenoma

Answer

Mucoepidermoid Carcinoma

Answer

Adenoid Cystic Carcinoma

Answer

Warthin's Tumor

Question 6

A patient presents with bilateral, lacy, white striations (Wickham's striae) on the buccal mucosa. The patient reports occasional soreness, especially with spicy foods. What is the most likely diagnosis?

Accepted Answer

Lichen Planus

Answer

Oral Candidiasis

Answer

Pemphigus Vulgaris

Answer

Erythema Multiforme