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Surgical periodontal procedures: Guided bone regeneration ( GBR) and guided tissue regeneration ( GTR)
are dental surgical procedures that use barrier membranes to direct the growth of new bone and gingival tissue at sites with insufficient volumes or dimensions of bone or gingiva for proper function, esthetics or prosthetic restoration.
Guided bone regeneration typically refers to ridge augmentation or bone regenerative procedures; guided tissue regeneration typically refers to regeneration of periodontal attachment. Guided bone regeneration is similar to guided tissue regeneration, 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. When Bone grafting is used in conjunction with sound surgical technique, guided bone regeneration is a reliable and validated procedure.
There are several uses of bone regeneration:
Fenestration and dehiscence
socket preservation for future implantation of false teeth or prosthetics
Sinus Lift Elevation prior to implant placement
repairing bone defects surrounding dental implant caused by peri-implantitis.