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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: A Histometric Investigation.
Author: Nociti, F H
Machado, M A
Stefani, C M
Sallum, E A
Abstract: The purpose of this study was to histometrically evaluate an absorbable collagen membrane (Bio-Gide) and a nonabsorbable polytetrafluoroethylene membrane (PTFE), associated with or without bone grafts, regarding re-osseointegration after treating ligature-induced peri-implantitis defects in dogs. All mandibular premolars were removed from five 2-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 with ligatures after abutment connection. Ligatures and abutments were removed after 1 month and the bone defects were randomly assigned to one of the following treatments; debridement alone (DB), debridement plus PTFE membrane associated with mineralized bone graft (Bio-Oss) (GBR+BG-I), debridement plus collagen membrane (Bio-Gide) associated with mineralized bone graft (GBR+BG-II), debridement plus PTFE membrane (GBR-I), debridement plus collagen membrane (GBR-II), or debridement plus mineralized-bone graft (BG). The dogs were sacrificed after 5 months. Data analysis did not reveal significant differences among the treatments regarding the percentage of bone-to-implant contact (re-osseointegration) within the limits of the threads of the implant (P = .997). Thus, in the treatment of peri-implantitis, debridement alone as well as grafting alone had the same effect as did either membrane.
Subject: Absorbable Implants
Analysis Of Variance
Biocompatible Materials
Bone Matrix
Bone Substitutes
Bone Transplantation
Dental Abutments
Dental Implants
Disease Models, Animal
Guided Tissue Regeneration, Periodontal
Membranes, Artificial
Random Allocation
Surface Properties
Treatment Outcome
Citation: The International Journal Of Oral & Maxillofacial Implants. v. 16, n. 5, p. 646-52
Rights: fechado
Appears in Collections:Unicamp - Artigos e Outros Documentos

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