Lip Pigmentation Treatment in Singapore Oral Mucosal Melanosis IntechOpen Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics Search Results: Oral Mucosal Lesion Single skin lesion, Mucosal lip, Oral brown macule, 40 49 year old Male 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