Free Oral Mucosal Lesions MCQs with Answers

• A. Hard palate
• B. Gingiva
• C. Tongue
• D. Lip

Explanation: Oral keratoacanthoma is rare but occurs most often on the lip, particularly the lower lip.

• A. Complete obstruction to minor salivary gland orifices
• B. Keratinization with partially occluded minor salivary glands
• C. Diffuse parakeratinization of the palate
• D. Excessive orthokeratinization of the palate

Explanation: Nicotine stomatitis causes palatal keratinization and inflammation around partially blocked minor salivary gland ducts, producing white…

• A. Neurofibroma
• B. Fibromyoma
• C. Fibrolipoma
• D. Fibroadenoma

Explanation: Fibroadenoma is composed of fibrous connective tissue combined with glandular or epithelial tissue.

• A. Tzanck smear
• B. Polymerase chain reaction
• C. In situ hybridization
• D. Electron microscopy

Explanation: Tzanck smear shows cytological changes such as ballooning degeneration but does not identify Epstein-Barr virus.

• A. Oral hairy leukoplakia
• B. White spongy nevus
• C. Aspirin burn
• D. Pseudomembranous Candidiasis

Explanation: White sponge naevus produces diffuse, thickened, folded, soft or spongy white mucosa, commonly on the buccal mucosa.

• A. Palate
• B. Alveolar ridge
• C. Gingiva
• D. Floor of the mouth

Explanation: Peripheral giant cell granuloma arises from periodontal ligament or periosteal tissues, so it occurs most often on the gingiva or…

• A. Leukoedema
• B. Oral lichen planus
• C. Erythema multiforme
• D. Oral dubmucous fibrosis

Explanation: Areca nut chewing is a major etiological factor for oral submucous fibrosis, a chronic progressive fibrotic disorder with mucosal…

• A. Macule
• B. Papule
• C. Plaque
• D. Vesicle

Explanation: A papule is a small, solid, raised lesion that can be palpated above the epithelial surface.

• A. Lymphoma
• B. Melanoma
• C. lymphangioma
• D. Leukemia

Explanation: Lymphangioma is a benign malformation or tumour of lymphatic vessels, often presenting as a soft, pebbly oral lesion.

• A. Increase in mitotic division
• B. Increase in thickness of superficial layer
• C. Disruption of basal lamina
• D. Increase in thickness of spinous layer

Explanation: Acanthosis means increased thickness of the stratum spinosum, producing epithelial thickening.

• A. Nicotinic stomatitis
• B. Leukoplakia
• C. Fovea Palatine
• D. Erythroplakia

Explanation: Nicotinic stomatitis causes diffuse palatal erythema with swelling and redness around the openings of minor salivary glands, often from…

• A. Traumatic neuroma
• B. Neurofibroma
• C. Trigeminal neuralgia
• D. Neuroleiomyoma

Explanation: A painful, mobile mass developing near a previously fractured mental foramen strongly suggests a traumatic neuroma, which is a reactive…

• A. Pleomorphic adenoma
• B. Papilloma
• C. Nevus
• D. Fibroma

Explanation: A solitary white, rough, pedunculated palatal lesion is typical of a squamous papilloma, which commonly has a papillary or verrucous…

• A. Osteoma
• B. Irritation fibroma
• C. Traumatic neuroma
• D. Peripheral ossifying fibroma

Explanation: Peripheral ossifying fibroma is a reactive gingival growth that may contain mineralised material resembling bone or cementum, visible…

• A. Lymphangioma
• B. Hyalinia cutus et mucosa syndrome
• C. Fetal face syndrome
• D. Tuberous scterosis

Explanation: Lymphangioma of the tongue often produces macroglossia with a pebbly or papillomatous surface because superficial lymphatic spaces create…

• A. CEOT
• B. Papilloma
• C. Sarcoma
• D. Pyogenic Granuloma

Explanation: Low-risk HPV types 6 and 11 are strongly associated with squamous papilloma and condylomatous lesions.

• A. Common in Mongoloids
• B. Present on the lingual surface of mandible below the mylohyoid line
• C. Usually Bilateral
• D. May or may not associated with torus palatinus

Explanation: Torus mandibularis usually occurs on the lingual surface above the mylohyoid line, commonly near the premolar region.

• A. Neurofibroma
• B. Neurilemmoma
• C. Traumatic Neuroma
• D. Solitary plasmocytoma

Explanation: Neurofibromas are typically non-encapsulated peripheral nerve tumours and may undergo malignant transformation, especially in…

• A. Fibroma
• B. Peripheral giant cell granuloma
• C. Pregancy tumor
• D. Papilloma

Explanation: Peripheral giant cell granuloma commonly contains numerous multinucleated giant cells, hemorrhage and hemosiderin deposits, giving the…

• A. Snuff chewer
• B. Cigar smoker
• C. Pipe smoker
• D. Tobacco chewer

Explanation: A diffuse palatal keratosis with scattered red areas is smoker’s palate, or nicotinic stomatitis, classically associated with pipe…