Melanocytic Lesions A Guide to Clinical Differential Diagnosis of Oral Mucosal Lesions Continuing Education Course dentalcare.com Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 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