Fig. 1
From: Effect of implantoplasty on the elastic limit of dental implants of different diameters

Bone-level and machined collar (tissue-level) implants with a diameter of 3.5 mm after performing a manual implantoplasty. a After using an oval tungsten carbide bur; b after surface polishing using a brown silicon carbide polisher; c after surface polishing using a green silicon carbide polisher