News La Bouche Parfaite Labial Macules: Dark Spots on the Lip Dermatology Advisor 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 Kiss and Tell: Variations of Normal and Pathology of the Lips Today's RDH Pigmented Lesions of the Oral Mucosa Springer Nature Link Pigmented macular lip lesion Clinical Advisor