Rubber dams are an essential tool in endodontic and restorative dentistry. This book explores the “why” and “how” of using rubber dams and their benefits for patient safety and comfort. This book discusses various techniques for effective placement and removal of the rubber dam, as well as the different materials used in its construction. It also explores how to ensure optimal isolation during treatment with a rubber dam. By understanding why and how to use this essential tool, one can improve their skills as a practitioner and provide better care to patients.