Anterior single-tooth implant restorations.

The application of implant dentistry to the treatment of partial edentulism has necessitated the development of new components and techniques. This article reviews the various systems and techniques used to fabricate successful anterior single-tooth implant restorations. Placement techniques for nonsegmented, screw-retained abutments; segmented, screw-retained abutments; and segmented, cement-retained abutments are illustrated.