Periodontology 2021: - Editors: Richard Palmer, Peter Floyd. - Publisher: Springer Cham. - Edition: 4th. Book outlines: - This book guides through all essentials in the field of periodontology, including the pathology, diagnosis, and treatment of the most common periodontal conditions. - Now in its 4th edition, this fully updated version marks the 25th anniversary of the first edition. - It discusses the developments in classification while maintaining a no-nonsense logical approach to what many people find a complex subject. - The book will help clinicians acquire and maintain the knowledge and skills to treat the many patients encountered in day-to-day practice. - It covers the scientific background of periodontal-systemic disease interactions, the clinical application of periodontal surgery, and the management of multi-rooted teeth. - With newly incorporated supplementary information, the book will be a helpful source for general dentists, dental students, dental hygienists, and even for postgraduate students.