White plaque – cannot be scraped off
White patches that cannot be removed by scraping, often associated with leukoplakia or other potentially precancerous conditions.
Subcategories
Actinic cheilitis
Chronic hyperplastic candidiasis
Discoid lupus erythematosus
Frictional keratosis
Hairy leukoplakia
Leukoedema
Leukoplakia
Lichen planus (reticular)
Lichenoid reaction
Oral submucous fibrosis
Proliferative verrucous leukoplakia
Smokeless tobacco keratosis
Squamous cell carcinoma (early keratotic)
Verrucous carcinoma
White sponge nevus