The Labial Melanotic Macule Oral pigmented lesions: a pragmatic approach to diagnosis and management Faculty Dental Journal Spotty lips. These are labial melanotic macules, kinda like freckles on the lips. They are mostly due to age and sun exposure, but sometimes they run in families and are associated with Pathology Outlines Melanotic macule 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 Dermoscopy of venous lake on the lips: A comparative study with labial melanotic macule PLOS One