Question: Disease which increase oral melanin pigmentation_______________?

• 1. addison’s disease
• 2. Hyperthyroidsim
• 3. Nephritis
• 4. All of the above

Question: The most common intraoral location for a pigmented nevi is the_______________?

• 1. Hard palate
• 2. Soft palate
• 3. Buccal mucosa
• 4. Floor of mouth

Question: Melanin pigmentation in pregnancy is known as______________?

• 1. Melasma
• 2. Melanoma
• 3. Epulis
• 4. Melanosis

Question: The common site of melanoma on the orofacial skin is_____________?

• 1. Lower lip
• 2. Malar region
• 3. Forehead
• 4. Upper lip

Question: Yellowish discolouration of oral mucous membrane, skin and sclera of eye is______________?

• 1. Pernicious anemia
• 2. Sickle cell anemia
• 3. Chloromycin therapy
• 4. Carotinemia

Question: All of the following are seen in lead poisoning except_____________?

• 1. Hallucinations
• 2. GIT disturbances
• 3. Peripheral neuritis
• 4. Encephalitis

Question: Mucocutaneous circumoral pigmentation is found in_____________?

• 1. Peutz-Jeghers syndrome
• 2. Plummer-Vinson syndrome
• 3. Lead poisoning
• 4. Bechet’s syndrome

Question: Tetracycline stains appear as______________?

• 1. Yellow and brown stains in enamel and dentin
• 2. Yellow and brown stains only in enamel
• 3. Yellow and brown stains only in dentin
• 4. Only yellow stain in enamel

Question: Port wine stains are seen in______________?

• 1. Nevus
• 2. Haemangioma
• 3. Melanoma
• 4. All of the above

Question: Patient reports with discolored teeth bearing brown stains. The teeth glow fluorescent in UV light. The most likely diagnosis is____________?

• 1. Porphyria
• 2. Amelogenesis imperfecta
• 3. Hutchinson’s teeth
• 4. Tetracycline staining of teeth