Gingival hyperplasia Leukoplakia Linea alba Amalgam tattoo Melanotic nevi Peutz–Jeghers syndrome PFAPA, periodic fever, aphthous stomatitis, pharyngitis, and cervical adenitis TABLE 52.2 COMMON CAUSES OF ORAL LESIONS Candidiasis Aphthous stomatitis Herpes simplex Gingivostomatitis—primary Labialis—recurrent Hand–foot–mouth disease Herpangina TABLE 52.3 LIFE-THREATENING CAUSES OF ORAL LESIONS Stevens–Johnson syndrome Kawasaki disease Toxic shock syndrome Human immunodeficiency virus infection Ludwig’s angina Noma (cancrum oris)