A precise implant impression is essential for the passive fit of an implant superstructure. Although digital impressions are becoming more popular, conventional impression techniques are still frequently used. A direct (pick-up) open tray impression technique uses a guide pin. When an implant is deeply placed, the guide pin may not extend through the hole of the open tray. Therefore, wiping off...

control of hemorrhage is one of the challenging situations dentists confront during deep cavity preparation and before impressions or cementation of restorations. for the best bond and least contamination it is necessary to be familiar with the hemostatic agents available on the market and to be able to choose the appropriate one for specifi c situations. this review tries to introduce the comm...

INTRODUCTION A dental impression is a negative imprint of an oral structure that can be used to produce a positive cast of a patient's teeth as a permanent record. The accuracy of the impression affects the accuracy of the cast, and a precise impression is needed in order to create prosthesis with optimal fitting. Minimization of misfit is an important aim in prosthesis science and dental impla...