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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 ...
Guided tissue regeneration (GTR) using PTFE membranes is favoured by some practitioners, despite its cost and complexity: "GTR has a greater effect on probing measures of periodontal treatment than open flap debridement, including improved attachment gain, reduced pocket depth, less increase in gingival recession and more gain in hard tissue ...
PETTI Gustavo From Cagliari, Italy has been the first one to have had: "A new attachment: guided tissue regeneration using an amniotic membrane and fibrin glue" Publication: Petti G. (1989) “La rigenerazione parodontale guidata con membrana amniotica e colla di fibrina. (Guided periodontal regeneration with an amniotic membrane and fibrin glue).
Regenerative surgical therapy currently available include the use of bone replacement grafts, barrier membranes or guided tissue regeneration (GTR), biologic modifiers like growth and differentiation factors (GDF), and extracellular matrix proteins like enamel matrix proteins (EMD).
The use of lasers in treating periodontal disease has been seen by some dental professionals as controversial. [6] The American Academy of Periodontology stated in 1999 that it was "not aware of any randomized blinded controlled longitudinal clinical trials, cohort or longitudinal studies, or case-controlled studies indicating that 'laser excisional new attachment procedure (or Laser ENAP)' or ...
The synthetic barrier membrane is used specifically in dental implants and for guided tissue regeneration (GTR) as well as guided bone regeneration (GBE). [14] Some are biodegradable membranes, while others are not, and are typically correlated with more surgical complications.
A successful tissue regeneration relies on an appropriate source of stem progenitor cells, growth factors and scaffolds to control the development of the specific tissue. [19] The first component for tissue engineering is an appropriate source of progenitor/stem cells by using cells which are able to differentiate into the desired tissue component.
The pocket primarily affects the soft tissue. Early bone loss may have occurred but is rarely evident radiographically . Grade II - There is a definite horizontal component to the bone loss between roots resulting in a probeable area, but sufficient bone still remains attached to the tooth (at the dome of the furcation) so that multiple areas ...
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