Implants have been used for the purpose of replacing lost teeth since the 1960s. Since then, the treatment of edentulism with dental implants has been implemented in a large scale. The main reason for this is that research has shown that treatment with implants are very predictable in terms of implant survival. The accumulated knowledge, as seen from 15 and 20 year follow-ups, has been based on prerequisites that are not always followed today. One of them is that the implants used in the aforementioned studies are manufactured in titanium that has good rigidity and is used as the main implant material today. In addition, the studies have examined implants with a turned surface. This standard revised in the mid 1990s when a series of studies showed increased and accelerated osseous ingrowth of implants with a moderate raw surface that had been achieved by blasting. The related biological events describing this process have been described in detail in the literature.