Fig. 4From: Bone ongrowth and mechanical fixation of implants in cortical and cancellous boneRepresentative histology images in the cortical sites at 4 weeks (top row × 1.25, middle × 10, bottom × 20 objectives) for the a titanium alloy dowel coated with hydroxyapatite and b titanium alloy coated with plasma-sprayed titanium. New bone ongrowth without any fibrous tissue was present for both groupsBack to article page