A dental implant is a screw, in general out of titanium, that a surgical operation makes it possible to insert in the bone of the jawbones where it replaces the root of the missing tooth. A dental prosthesis is then fixed on this artificial pillar. The technique of the implants makes it possible to replace an insulated tooth, to fill a more or less important vacuum between two teeth, or to fix a removable prosthesis in a jaw almost toothless. One distinguishes 2 types of dental implants, those fixed on the jaw (juxta-osseous) and those in the jaw (endo-osseous) by far are used. The generally cylindrical forms can also have the shape of cone, disc, blade… Their diameters generally vary between 3 and 5mm and their length between 10 and 15mm. This correpond variety with the diversity of the...
