Fig. 1From: New insights on collagen structural organization and spatial distribution around dental implants: a comparison between machined and laser-treated surfacesa Schematic description of the experimental healing abutment surface treatments (laser-treated in red and machined in green). b HA technical design and dimensions. c Atomic force microscope images of the two surface treatments (up-machined and down laser-treated). d Scanning electron microscope images of the machined (up) and laser-treated (down) surfaces used in the experimental HABack to article page