While the conventional periodontal therapies achieve management of periodontal diseases by repair, they are insufficient in reconstructing the lost structures. One major goal of periodontal surgical therapy includes regeneration of lost periodontal tissues including periodontal ligament, cementum and alveolar bone. The prerequisites for bone regeneration are cells, molecules, scaffold, and blood supply. Bone grafts provide the cells or may act as a scaffold for new bone formation. The search for an ideal bone graft perpetually continues. The following article presents an overview of the commonly used bone grafts in the management of periodontal affliction touching upon the topics of objectives and indications of bone grafts and their classification.