Many factors influence the long-term functional and esthetic success of implant-supported restorations. This article reviews recent findings related to several of these factors, including the implant-abutment junction, bacterial adhesion to implant surfaces, and the esthetic and functional consequences of implant and abutment material choices, particularly titanium-nitride-coated abutments. Restoration of a failed maxillary central incisor using a platformswitched implant and titanium-nitride-coated abutment is presented.
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