Most dental implants in the market place are threaded while
the implants in this study were designed as unthreaded cylinders.
However, the static behavior regarding interfacial shear strength
is very similar for these two types of implant designs, which
means that the findings in this study also apply to threaded
implants. The adhesion strength and friction between surface
elements and bone were assumed to be zero; the reason for this
was that the contribution to bone-implant interfacial shear
strength caused by interlocking between the asperities of surface
roughness and bone was in focus. By assuming a certain