Surgical procedure aimed at regenerating lost periodontal attachment. Creation of a secluded space favoring angiogenic and osteogenic cells, protecting the vascular and cellular elements while probably supporting accumulation of growth factors. True periodontal regeneration must include new cementum formation, periodontal ligament, and alveolar bone on a previously diseased root surface. GTR follows the principle of maintaining a surgically created space around teeth via a barrier membrane, thus allowing the slower proliferating periodontal ligament cells, bone cells, and possibly cementoblasts to populate the root surface. This term is not to be confused with guided bone regeneration (GBR), which describes a similar principle for isolated bone defects following tooth loss and concerns the regeneration or augmentation of bone only.
A surgical procedure with the goal of achieving new bone, cementum, and PDL attachment to a periodontally diseased tooth, using barrier devices or membranes to provide space maintenance, epithelial exclusion, and wound stabilization.
Techniques used in periodontics to reconstruct lost or diseased periodontal tissue in people with gingival recession. GTR often involves the use of absorbable barrier membranes or collagen.