Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 28. Chapters: Acatalasia, Acquired dyskeratotic leukoplakia, Actinic cheilitis, Acute necrotizing ulcerative gingivitis, Allergic contact cheilitis, Angina bullosa haemorrhagica, Angular cheilitis, Aphthous ulcer, Behcet's disease, Black hairy tongue, Caviar tongue, Cheilitis exfoliativa, Cheilitis glandularis, Cheilitis granulomatosa, Cutaneous sinus of dental origin, Cyclic neutropenia, Desquamative gingivitis, Drug-induced ulcer of the lip, Epidermization of the lip, Epulis, Epulis fissuratum, Eruptive lingual papillitis, Erythroplakia, Fissured tongue, Fordyce's spot, Geographic tongue, Gingival fibroma, Hairy leukoplakia, Herpes simplex, Intraoral dental sinus, Keratosis pharyngis, Leukoplakia with tylosis and esophageal carcinoma, Linea alba (cheek), Major aphthous ulcer, Median rhomboid glossitis, Melanocytic oral lesion, Melkersson-Rosenthal syndrome, Morsicatio buccarum, Mucocele, Mucosal lichen planus, Mucous cyst of the oral mucosa, Nagayama's spots, Neuro-behcet disease, Oral florid papillomatosis, Oral melanosis, Osseous choristoma of the tongue, Plasma cell cheilitis, Plasmoacanthoma, Proliferative verrucous leukoplakia, Pyogenic granuloma, Pyostomatitis vegetans, Smooth tongue, Stomatitis nicotina, Torus palatinus, Trumpeter's wart, Vestibular papillomatosis, White sponge nevus.