Lingual melanotic macule the first case report in an adult patient* Anais Brasileiros de Dermatologia Diffuse pigmentation of the oral mucosa Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics Oral melanotic macule and primary oral malignant melanoma: Epidemiology, location involved, and clinical implications Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics Lentigo pathology