Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review Hyperpigmentation and Dark Spots How to Unify Your Complexion Q7 Paris 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 Oral Mucosal Melanosis IntechOpen Figure 1 from HIV Associated Oral Mucosal Melanin Hyperpigmentation: A Clinical Study in a South African Population Sample Semantic Scholar Hyperpigmentation Understanding Dark Patches on Skin