An oral melanotic macule is a harmless dark spot found on the lip, most often the lower lip, or inside the mouth, either on the gums, inside the cheek, or on the roof of the mouth. An oral melanotic What Caused These Multiple Hyperpigmented Macules of the Mouth? Oral Melanotic Macule: Symptoms and Treatment Skinsight Pigmented oral lesion in a patient with metastatic melanoma Indian Journal of Dermatology, Venereology and Leprology Pigmented Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics