IMMEDIATELY LOADED DENTAL IMPLANTS USING XENOGRAFT (BONE RING TECHNIQUE) VS ALLOGRAFT– A COMPARATIVE STUDY.

The clinical replacement of lost natural teeth using osseointegrated implants is one of the most significant advances in restorative dentistry. In dental implant surgery, bone grafts are used for the reconstruction and reestablishment of alveolar bone volume and to improve bone architecture for better positioning of an implant.The present study is intended to assess the use of the Bone ring technique Vs Allograft placement for vertical and horizontal bone augmentation in freshly extracted sockets with simultaneous implant placement.

XENOGRAFT(BONE RING): Bovine-derived hydroxy apatite bone replacement grafts increase the available surface area that can act as an osteoconductive scaffold due to their porosity and have a mineral content comparable to that of human bone, allowing them to integrate with host bone. They have been used with success for the treatment of intra bony defects and ridge augmentation. This is a technique of placing bovine bone ring and performing 3D reconstruction of bone defects, together with immediate implant placement into fresh extraction socket.

ALLOGRAFT: A demineralized freeze-dried bone allograft (DFDBA) is an graft composed of demineralized bone matrix (DBM). It has the ability to stimulate cell attachment, cell migration, and osteogenesis. DFDBA contains bone morphogenic protein (BMP) that causes new bone formation to take place during healing. It is therefore an effective option for bone regeneration.