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Chapter 2 provided an overview of the different types of lateral implants devised, introduced and employed over the past 30 years. The present chapter will provide the reader with the necessary background to understand the differences and commonalities of these designs, as well as their applications in clinical practice. Today it is almost impossible to draw a clear line between «disk» implants and BOI implants. Over the last few years in particular, the similarities between those designs have increased in various ways. The same development has also taken place in crestal implantology. While implants of the Diskimplant type are basal implants and while they take into account the concept of bicortical support, these rigid Diskimplants do not implement the concept of isoelasticity with the bone to the same extent of actual BOI implants with a skeletal design.
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That Straumann went from TPS coating to SLA coating is remarkable in more than one respect. As late as in 1997, Buser had shown in a broadly designed study that TPS-coated full screws of the ITI type are extremely resistant. Nonetheless, Straumann abandoned this design and started marketing the SLA coating, without any equal study showing that the SLA coating is superior. It is hard to understand why a product is abandoned that had had “scientifically proven” success without first demonstrating the superior qualities of the successor product. To this day, many users cite the above-named study, a study that had been performed using completely different implants that are not even available on the market today and where only a single design feature still corresponds to the scientifically tested implant: the intraoral coupling design (internal cone and internal octagon). Good marketing allows the selling of a brand new product with proven long-term success!
- Morphology of BOI Implants and Related Designs
Dr. Stefan Ihde
- Springer Berlin Heidelberg
- Chapter 3