This handbook has been designed for all clinicians (hygienists, general dentists, and periodontists) who are responsible for treating patients with a broad spectrum of periodontal diseases. It will enable the clinician to successfully meet this challenge by providing, in a concise and simplified format, both classic and up-to-date practical measures that address all aspects of non-surgical periodontal disease management. The reader is carefully guided through the extensive literature and body of accumulated knowledge in four broad chapters covering patient involvement in disease control and prevention, instrumentation for the diagnosis and basic treatment of gingivitis/periodontitis, pharmacotherapeutics, and supportive therapy to ensure long-term success. Numerous illustrations help to bring the presented ideas and suggestions to life and the succinct nature of the text will allow the reader to transfer information more quickly to their own clinical setting.