Figure 1From: Osseointegration and biocompatibility of different metal implants - a comparative experimental investigation in sheep The type of screw that was used for the all materials tested is pictured. It was a standard, not self-tapping cortical screw design with a head fit for a SD15 Stardrive screwdriver. Screws were 14 mm in length and had a diameter of 3.5 mm with a core of 2.5 mm.Back to article page