Oral Melanotic Macule: Symptoms and Treatment Skinsight Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review JaypeeDigital eBook Reader Mucosal melanocytic macules 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