This book explains the basics concepts behind the initiation and progression of periodontal diseases which subsequently leads to alveolar bone loss. It also covers the basic anatomy of the oral tissues in health as well as in diseased conditions. Various etiological factors, treatment modalities, surgical approaches and instrumentations related to management of bone defects are well versed in this book. The main agenda is to ease the concepts regarding resective osseous surgery, with explanation of minute details varying from historical background to justifying each and every step of resective surgery with pros and cons of other surgical procedures as compared to it.