<prompt> All are premalignant conditions of the oral cavity except?Chronic hyperplastic candidiasisOral submucosal FibrosisSnail track ulcer on tongueSideropenic dysphagia  <response>: Conditions Associated with Malignant Transformation High-risk Lesions Medium-risk Lesions Low-risk or Equivocal-risk Lesions Erythroplakia Speckled Erythroplakia Chronic hyperplastic candidiasis Oral submucous fibrosis Syphilitic glossitis Sideropenic dysphagia Paterson-Kelly syndrome Oral lichen planus Discoid lupus erythematosus Discoid keratosis congenita Snail track ulcer on tongue: Seen in secondary syphilis , Benign in nature. 