This fact is from Leukoplakia, OSMF, Erythroplakia in Oral Pathology & Microbiology. It is a commonly tested concept in NEET MDS examinations. Understanding this fact is crucial for answering MCQs correctly.
OSMF = areca nut = betel quid
Leukoplakia = most common premalignant lesion
Speckled leukoplakia = highest risk among leukoplakias
Proliferative verrucous leukoplakia = high transformation rate
OSMF = blanching of mucosa = restricted mouth opening = burning sensation
Erythroplakia = 91% show dysplasia or carcinoma on biopsy.