Pigmented Lesions of the Oral Cavity Pocket Dentistry What is oral malignant melanoma diagnosis? What Caused These Multiple Hyperpigmented Macules of the Mouth? 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 A 55 year old male with a long history of tobacco smoking presents with diffuse dark pigmentation on the hard palate as seen in the image. What is the most likely diagnosis? A. Oral Peach C Lip Tint 650+ reels on Instagram