This report delves into the multifaceted role of a dental nurse within the context of oral healthcare. It begins with an introduction to sterilization, highlighting the importance of maintaining a clean and safe environment in a dental setting. The main body of the report explores the specific duties of a dentist, emphasizing the importance of regular checkups and various treatments. It then outlines crucial disinfection and sterilization procedures for dental instruments and surfaces, differentiating between critical, semi-critical, and noncritical items. The report also discusses different sterilization methods, including steam sterilization and the use of liquid chemical germicides. It further addresses the use of anesthesia, particularly local anesthetics, in dental procedures, including the common use of Lidocaine. Additionally, it covers the cleaning and disinfection of both housekeeping and clinical contact surfaces to minimize the risk of infection, and the use of barriers and personal protective equipment. The report concludes by summarizing the key aspects of a dental nurse's role in ensuring patient safety and maintaining a sterile environment within a dental practice.