This document discusses fluoride toxicity and fluorosis. It begins by outlining the learning objectives which are to understand the toxic effects of fluoride, safe dosages, and the pathologies of dental and skeletal fluorosis. It then discusses the classification of fluoride toxicity as either acute or chronic. Acute toxicity occurs with short term excessive intake and can be fatal, while chronic toxicity is from long term excessive intake and causes dental and skeletal fluorosis. The document outlines the signs and symptoms of dental fluorosis, which occurs from intake above recommended levels as a child, and skeletal fluorosis, which is caused by long term intake of higher levels and causes joint and bone pain and stiffness. It also discusses methods for diagnosing and managing fluorosis as