A common, benign, smooth, pink, firm, dome-shaped papule on the buccal mucosa, often at the bite line, caused by chronic irritation.
A form of squamous cell carcinoma in situ that can present as a persistent, white, red, or mixed plaque on the oral mucosa.
Presents as classic oral thrush, with removable, white, cottage-cheese-like plaques on the tongue and buccal mucosa.
Chronic cheek biting (morsicatio buccarum) causes a characteristic shaggy, white, macerated, linear plaque on the buccal mucosa at the level of the occlusal plane.
Genital warts caused by HPV, which can appear in the mouth as single or multiple soft, fleshy, cauliflower-like growths.
A genetic syndrome characterized by multiple hamartomas, including distinctive small, whitish, 'cobblestone' papules on the gums and oral mucosa.
Benign, ectopic sebaceous glands appearing as multiple, tiny, yellowish or white papules on the lips and buccal mucosa.
A benign tumor of blood vessels that can present as a soft, red or purplish mass on the tongue, lips, or buccal mucosa.
A vascular tumor that presents as distinctive violaceous or brown patches, plaques, or nodules, commonly on the hard palate.
Commonly affects the mouth, presenting as classic white, reticular (lacy) patterns (Wickham's striae) or as painful red erosions.
A malformation of lymphatic vessels presenting as clusters of deep-seated, tapioca-like vesicles ('frog spawn' appearance), often causing macroglossia (enlarged tongue).
A rare but aggressive malignant tumor appearing as an irregularly pigmented brown-to-black macule or nodule, often on the palate or gingiva.
A soft, bluish, translucent swelling on the inner surface of the lower lip, caused by a ruptured minor salivary gland duct.
A specific sign of EBV infection in immunocompromised individuals, appearing as non-removable, white, corrugated or 'hairy' plaques on the lateral borders of the tongue.
A pre-malignant, white, thickened patch on the oral mucosa that cannot be scraped off and is not identifiable as another disease.
A rare inflammatory oral condition, strongly associated with inflammatory bowel disease, with characteristic 'snail-track' pustules and a cobblestone mucosa.
The most common oral cancer, presenting as a persistent, firm, indurated, or exophytic ulcer or plaque that fails to heal.
Primary syphilis presents as a painless chancre (ulcer); secondary syphilis causes mucous patches or 'snail-track' ulcers.
A benign, inherited condition with asymptomatic, thick, white, folded or corrugated plaques on the buccal mucosa, present from childhood.