A dental assembly includes an implant having a tubular body portion which can be positively secured within a bore in a jawbone by an expander mechanism, and a two-piece abutment secured to the implant and having a collar which is incapable of rotation with respect thereto. In a related process...http://www.google.fr/patents/US5762500?utm_source=gb-gplus-shareBrevet US5762500 - Process for preparing a tooth prosthesis for attachment to an abutment within a mouth of a patient
Process for preparing a tooth prosthesis for attachment to an abutment ...