RESEARCH ARTICLE


Vertical Guided Bone Regeneration using Titanium-reinforced d-PTFE Membrane and Prehydrated Corticocancellous Bone Graft



Alessandro Cucchi 1, Paolo Ghensi 2, *
1 Department of Biomedical and Neuromotorial Science, University of Bologna, Bologna, Italy. Private Practice, Mantova (MN), Italy
2 Department of Neuroscience, University of Padova, Padova, Italy. Private Practice, Trento (TN), Italy


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Creative Commons License
© Cucchi and Ghensi; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Department of Neuroscience, University of Padova, Padova, Italy. Private Practice, Trento (TN), Italy; Tel: +393494539969; E-mail: dr.ghensi@gmail.com


Abstract

Guided bone regeneration (GBR) standard protocols call for filling the space underneath the membrane with autogenous bone or a mixture composed of autogenous bone particles and allogeneic bone tissue or heterologous biomaterials. This work describes the case of a GBR performed to restore a vertical bone defect with simultaneous placement of a dental implant in the posterior mandible that was carried out using a high density d-PTFE membrane and corticocancellous porcine-derived bone without the addition of any autogenous bone. Bone regeneration was assessed by histological analysis of a biopsy sample collected from the grafted site nine months after the surgery. Intraoral radiographs taken at follow-up visits showed complete maintenance of the peri-implant bone levels for up to two years after prosthesis delivery. The regenerated site successfully supported functional loading of the implant. The present case report suggests that the use of a heterologous bone substitute alone to restore a vertical defect in a GBR procedure can be as effective as the standard protocol, while avoiding the drawbacks associated with a second surgical site opening.

Keywords: Guided bone regeneration, heterologous biomaterials, vertical bone augmentation .