This document is a master's project submitted by Matthew Justin Hernandez on the topic of oral anesthesia. It provides an overview of the history and development of dental surgery and anesthesia. It discusses the mechanisms and effectiveness of local anesthesia, as well as risks like allergic reactions. It also explores the immune system response and allergies to common materials used in dental offices. The project aims to enhance safety in dental practices by reviewing the fundamentals of neural function, local anesthetic usage, and alternative pain management methods.