[4 methods for primary impressions in complete removable dentures]. / Quatre méthodes d'empreinte primaire en prothèse adjointe totale.

First necessary step to realize full denture prosthesis, primary impression can be made by different ways. Plaster and alginate, easy to use and often employed remain references technics. Several viscosities silicones allow real prefunctional registrations. Delayed setting resins give precise physiological limits to first impressions.