Oral Pathology and Disease Recognition Flashcards

Which oral lesion appears as a white, non-removable plaque on the oral mucosa that cannot be attributed to any other known disease?

Answer: Leukoplakia

Leukoplakia is defined as a white patch that cannot be scraped off and has no other identifiable cause.

What is the most common oral malignancy?

Answer: Squamous cell carcinoma

Squamous cell carcinoma accounts for approximately 90% of all oral cancers.

Which condition is characterized by a painful, recurrent ulceration on the oral mucosa with a yellow-gray pseudomembrane and an erythematous halo?

Answer: Aphthous ulcer

Aphthous ulcers (canker sores) present as painful, recurrent mucosal ulcers surrounded by a red halo.

Hairy leukoplakia, associated with Epstein-Barr virus, is most commonly found in patients with which condition?

Answer: HIV/AIDS

Hairy leukoplakia is an opportunistic infection caused by EBV that occurs predominantly in immunocompromised individuals, especially those with HIV/AIDS.

A smooth, red, painful area on the dorsal tongue caused by atrophy of filiform papillae is characteristic of which condition?

Answer: Median rhomboid glossitis

Median rhomboid glossitis presents as a smooth, erythematous, rhomboid area in the midline of the posterior dorsal tongue due to papillary atrophy.

Which type of cyst is the most common odontogenic cyst of the jaws?

Answer: Radicular cyst

Radicular (periapical) cysts are the most common odontogenic cysts, forming from epithelial cell rests at the apex of a non-vital tooth.