DMD - Doctor of Medicine in Dentistry Oral Pathology and Diagnosis Questions and Answers

Question 1

A 55-year-old male, a heavy smoker for 30 years, presents with a persistent, well-demarcated white patch on the lateral border of his tongue that cannot be wiped off.
Histopathological examination reveals hyperkeratosis and moderate epithelial dysplasia.
What is the MOST likely diagnosis?

Accepted Answer

Leukoplakia

Answer

Lichen Planus

Answer

Candidiasis

Answer

Frictional Keratosis

Question 2

A panoramic radiograph of a 22-year-old male reveals a well-defined, unilocular radiolucency surrounding the crown of an impacted 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 45-year-old female patient complains of a dry mouth and a burning sensation on her tongue. Clinical examination reveals atrophic glossitis and angular cheilitis. She also reports dry eyes. This combination of signs and symptoms is most characteristic of which systemic condition?

Accepted Answer

Sjögren's Syndrome

Answer

Pemphigus Vulgaris

Answer

Crohn's Disease

Answer

Lupus Erythematosus

Question 4

Which of the following oral lesions has the highest potential for malignant transformation?

Accepted Answer

Erythroplakia

Answer

Leukoplakia

Answer

Oral Lichen Planus

Answer

Oral Submucous Fibrosis

Question 5

A biopsy of a soft, pedunculated, raspberry-like growth on the gingiva of a pregnant patient reveals a highly vascular proliferation of connective tissue with numerous inflammatory cells. What is the most likely diagnosis?

Accepted Answer

Pyogenic Granuloma

Answer

Traumatic Fibroma

Answer

Peripheral Giant Cell Granuloma

Answer

Squamous Papilloma

Question 6

A patient presents with painful, blistering lesions on the buccal mucosa and soft palate. A positive Nikolsky's sign is elicited. Histologically, acantholysis and intraepithelial bullae are observed. This clinical and histological picture is characteristic of:

Accepted Answer

Pemphigus Vulgaris

Answer

Bullous Pemphigoid

Answer

Erythema Multiforme

Answer

Herpetic Gingivostomatitis

A 55-year-old male, a heavy smoker for 30 years, presents with a persistent, well-demarcated white patch on the lateral border of his tongue that cannot be wiped off.Histopathological examination reveals hyperkeratosis and moderate epithelial dysplasia.What is the MOST likely diagnosis?

A 55-year-old male, a heavy smoker for 30 years, presents with a persistent, well-demarcated white patch on the lateral border of his tongue that cannot be wiped off.
Histopathological examination reveals hyperkeratosis and moderate epithelial dysplasia.
What is the MOST likely diagnosis?