Variations of oral anatomy and common oral lesions Anais Brasileiros de Dermatologia Oral Cavity Disorders in Geriatric Patients Ento Key Variations of oral anatomy and common oral lesions Anais Brasileiros de Dermatologia (Portuguese) Refresh AHA BHA Vitamin C Lip Plumper Oral melanoacanthoma and oral melanotic macule: a report of 8 cases, review of the literature, and immunohistochemical analysis Dark or pigmented spots in the mouth can be surprising to patientsand sometimes concerning. The truth is, many are completely harmless, but some can signal something that deserves a closer look. As