Intraoral 'leukoplakia'.
D006801:Humans; D007971:Leukoplakia / Q000473:pathology* / Q000628:therapy; D009059:Mouth Diseases / Q000473:pathology*; D009061:Mouth Mucosa / Q000473:pathology; D009062:Mouth Neoplasms / Q000175:diagnosis; D012907:Smoking