The invention relates to components for an improved system for pick-up impression making at a dental implantation site, including an abutment, an abutment replica and an impression coping. The invention also relates to a series of abutments and to a set comprising an abutment and an impression coping....http://www.google.es/patents/US6824386?utm_source=gb-gplus-sharePatente US6824386 - Components for improved impression making
