Immediate implant placement on removal of the natural tooth: retrospective analysis of 1,081 implants.

Conventional implant therapy dictates a period of 1 to 2 years from the start of treatment to the completion of the restoration. In contrast, immediate implant placement has resulted in the initiation of prosthetic treatment in as little as 3 to 6 months with the additional benefit of reducing alveolar bone resorption, patient morbidity, and expense. This article reports on the criteria for immediate implant placement into an extraction socket, as well as a reliable technique and a retrospective analysis of 1,081 implants placed immediately into extraction sockets. Of the 1,081 implants placed, 35% were followed for 1 year, 46% were followed for 2 to 5 years, and 19% for 5 to 11 years postloading. The criteria for success were complete stability and no further bone loss than had appeared at the second stage surgery and on the day of restoration. The overall survival rate in this current study is 95%.