Differential diagnosis of an oral mucosal pigmented lesion: a case of essential melanosis 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 Pigmented macular lip lesion Clinical Advisor Oral Melanotic Macule An Unusual Occurrence In Gingiva Journal of Health and Allied Sciences NU Clinical features of oral pigmented lesions: ( ) Nevus, ( ) melanotic Download Scientific Diagram Multifocal pigmentation of the oral mucosa The Journal of the American Dental Association