IMPRESSION TECHNIQUES FOR IMPLANT DENTISTRY (PART 2) : OPEN TRAY TECHNIQUES

A highly accurate impression is one of success requirements in implant dentistry. A passively fitting prothesis is achieved when the 3-dimensional position of the implants is precisely transferred to the cast. Various impression techniques are described in the literature. Each one presents indications, qualities and limits. Many studies compared the main techniques which are closed and open-tray impressions along with their specificities. In this second part, the open-tray technique is described and discussed then compared with the closed-tray one.