Oral Malignant Melanoma Oral Cancer Foundation Information and Resources about Oral Head and Neck Cancer Smoker? These brown patches might NOT be dangerous Most dental students confuse this condition Smoker's melanosis is a common oral finding caused by increased melanin production due to tobacco exposure Lingual melanotic macule the first case report in an adult patient* Anais Brasileiros de Dermatologia Mucosal melanocytic macules Pigmented Lesions of the Oral Mucosa Pocket Dentistry Oral Mucosal Melanosis IntechOpen