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Stomatologia 1997, 54(1):25-32
Research study
GUIDED BONE REGENERATION BELOW A RESORBABLE MEMBRANE
IN COMBINATION WITH ENDOSSEOUS IMPLANTS
THREE YEARS CLINICAL EXPERIENCE
K.A. SCHLEGEL, O. PAPASOTIRIOU, G. FICHTNER
SUMMARY Purpose of this retrospective study was to evaluate the clinical results of GBR around implants using resorbable membrane (Polyglactin 910), in 47 patients with 125 endoessous implants, during an observation period between 6 and 42 months. Further an attempt was made to find correlations between the type and the extend of the osseous defect, and the use of autogenous or allogenic bone grafts in combination with the membrane Polyglactin 910. The influence of these factors in the prognosis was investigated. Eight out of 125 implants were lost due to periimplantitis, one implant due to fracture. In 44.8% of all cases the membrane was partially exposed. In 42.9% of these cases membrane solely was used, in 19.6% autogenous bone graft was adopted and in 37.5% of the cases allogenic bone graft was employed. In conclusion, a large osseous defect associated with a significant implant exposure, as well as the use of allogenic bone graft are considered as risk factors in GBR around implants. Exposure of the Polyglactin 910 membrane does not seem to be significant in the overall outcome.
KEY WORDS: Membrane, Guided Bone Regeneration, Polyglactin 910, Bone defects, Bone grafts.
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