Pigmented Lesions of the Oral Mucosa Pocket Dentistry oral melanotic macule Search Science Photo Library Figure 2 from Oral melanotic macule a case report. Semantic Scholar PT 141 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 PT 141: The Libido Enhancing Peptide Vida Wellness Puerto Rico