Pigmentation in Oral Lichen Planus: A Case Report Pigmented Lesions of the Oral Mucosa Springer Nature Link ORAL MELANOSIS leading to the diagnosis of HIV infection. Despite being a weak association, any unexplained oral pigmentation in a high risk individual should make one suspect HIV associated oral melanosis and proceed Melanotic macules of the tongue in a newborn Journal of the American Academy of Dermatology Pigmented Lesions of the Oral Mucosa Pocket Dentistry