All are precancerous lesions of oral cavity except -

Lesions with an increased risk of malignancy Premalignant condition : - Leukoplakia, Erythroplakia, Speckled erythroplakia, chronic hyperplastic, candidiasis. Conditions increasing risk : - Oral submucous fibrosis, syphilitic glossitis, sideropenic dysphagia (Paterson Kelly syndrome). The risk is doubtful: - Oral lichen planus, DLE, Dyskeratosis congenita.