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Immediate implant therapy in clinical practice: single-tooth replacement.

Once viewed as an esoteric treatment option, implant therapy has demonstrated long-term predictability at least equal to that of more "conventional" treatment modalities. The continued evolution of implant surface technology and restorative options has made implant therapy the treatment modality of choice in many if not most, clinical situations. It is, therefore, only natural that the role of immediate implant therapy continues to expand. Proponents of immediate implant therapy advocate its use at the time of tooth removal or, in a partially or fully edentulous arch, to meet a variety of clinical challenges.