Pigmented macular lip lesion Clinical Advisor Pigmented Lesions of the Oral Mucosa Springer Nature Link A Black Spot on the Upper Gum for Many Years: Melanotic Macule Springer Nature Link 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 Melanotic Macules, Naevi, and Melanoma Springer Nature Link Oral Melanotic Macule: Symptoms and Treatment Skinsight