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Type: Artigo de periódico
Title: Absorbable versus nonabsorbable membranes and bone grafts in the treatment of ligature-induced peri-implantitis defects in dogs Part I. A clinical investigation
Author: Nociti, FH
Machado, MAN
Stefani, CM
Sallum, EA
Sallum, AW
Abstract: The purpose of this study was to clinically evaluate an absorbable collagen membrane (Bio-Gide(R)) and a nonabsorbable polytetrafluoroethylene membrane (PTFE), associated or not with bone grafts, for the treatment of ligature-induced peri-implantitis defects in dogs. The bilateral mandibular premolars were removed from 52-year-old mongrel dogs. After 3 months of healing, 3 titanium implants were placed on each side of the mandible. Experimental peri-implantitis was induced after abutment connection. Ligatures and abutments were removed after 1 month and the bone defects were randomly assigned to one of the following treatments: DB: debridement alone; GBR+BG-I: debridement plus PTFE membrane associated with mineralized bone graft (Bio-Oss(R)); GBR+BG-II: debridement plus collagen membrane (Bio-Cide(R)) associated with mineralized bone graft; GBR-I: debridement plus PTFE membrane; GBR-II: debridement plus collagen membrane; BG: debridement plus mineralized bone graft. The periimplant bone defects were measured before and 5 months after treatment. Results showed the greatest percentage of vertical bone fill for GBR+ BC-II (27.77 +/- 14.07) followed by GBR-II (21.78+/-16.19), BG (21.26+/-6.87), GBR+ BG-I (19.57+/-13.36), GBR-I (18.86+/-10.63) and DB (14.03+/-5.6). However, the values were not statistically significant (ANOVA, contrast F test, P=0.612). Within the limits of the present investigation, it can be concluded that no difference was detected among treatments.
Subject: peri-implantitis
absorbable/nonabsorbable membrane
bone graft
Country: Dinamarca
Editor: Munksgaard Int Publ Ltd
Rights: fechado
Identifier DOI: 10.1034/j.1600-0501.2001.012002115.x
Date Issue: 2001
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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