Pigmented Lesions of the Oral Mucosa Pocket Dentistry LABIAL LENTIGO, Labial Lentigo also called a labial melanotic macule, is a harmless, small, flat, brown spot on the lip. It can develop after repeated sun exposure. In most cases, labial lentigo Citalopram Induced Oral Melanotic Macules in a Female Patient and a Review of the Literature Cureus Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management ScienceDirect