Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 Oral Melanotic Macule MEDizzy Labial melanotic macule Pathology Outlines Melanotic macule Understanding Lip Spot Causes and Treatments 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