ORAL MELANOTIC MACULE (OMM) (Also called focal melanosis labial melanotic macule) A benign, localized, flat pigmented lesion of the oral mucosa Caused by a focal increase in melanin production Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal Pigmented lesions of the oral mucosa and perioral tissues: a flow chart for the diagnosis and some recommendations for the management Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics Figure 225 from Pigmentations of the Oral Mucosa and Facial Skin Semantic Scholar Oral Melanotic Macule MEDizzy