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Horizontal Guided Bone Regeneration Using a Dehydrated Amnion/Chorion Membrane: A Case Report.

This article describes a novel approach for horizontal guided bone regeneration (GBR) using a dehydrated amnion/chorion membrane (dHACM) in conjunction with a composite mixture of cortical autogenous particulate bone scrapings and mineralized bovine bone particulate in the anterior maxilla, allowing for placement of dental implants in a previously deficient alveolar ridge. The grafted region was reentered 8 months after GBR surgery, and a substantial increase in horizontal bone width was observed. Endosseous dental implants were placed with excellent primary stability in a prosthetically driven manner (which could not have been done prior to GBR) and successfully restored with a screw-retained bridge prosthesis. To the authors' knowledge, this is the first reported documentation of successful horizontal GBR using dHACM with subsequent implant placement and restoration, and the first to demonstrate the excellent clinical potential of this biomaterial.