A Rare Case of Oral Mucosal Pigmentation: Differential Diagnosis and Case Presentation JCDA Pigmented Lesions of the Oral Mucosa Pocket Dentistry Pigmented Lesions of the Oral Mucosa Pocket Dentistry ORAL MELANOTIC MACULE (OMM) (Also called focal melanosis labial melanotic macule) A benign, localized, flat pigmented lesion of the oral mucosa Caused by a focal increase in melanin production Melanotan II Wikipedia PDF) Changes of melanocytic lesions induced by Melanotan injections and sun bed use in a teenage patient with FAMMM syndrome