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Guided bone and tissue regeneration / Bone Grafting

Guided bone regeneration or GBR, and guided tissue regeneration or GTR are dental surgical procedures that utilize barrier membranes to direct the growth of new bone and gingival tissue at sites having insufficient volumes or dimensions of bone or gingiva for proper function, esthetics or prosthetic restoration.

GBR is similar to guided tissue regeneration (GTR) but is focused on development of hard tissues in addition to the soft tissues of the periodontal attachment. At present, guided bone regeneration is predominantly applied in the oral cavity to support new hard tissue growth on an alveolar ridge to allow stable placement of dental implants. Used in conjunction with sound surgical technique, GBR is a reliable and validated procedure.

Extraction Site or Socket Preservation

The reasoning behind alveolar ridge preservation is based on the fact that alveolar ridge resorption is an unavoidable aftermath of tooth loss. The goal is to prevent further bone loss commonly seen after extractions. Preservation of the socket minimizes the need for future more invasive ridge augmentation procedures. Furthermore, it also facilitates successful implant and conventional prosthetic treatment. Extraction site grafting often facilitates the best possible functional and aesthetic results. It is therefore obvious that socket preservation should be the treatment of choice to prepare the remaining alveolar ridge for conventional or fixture supported restorations.

By Guy Levi, DDS
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