Impression Procedures in Prosthodontics

A variety of techniques has evolved overtime. Selection of the specific techniques depends on experience and an evaluation of an individual patient. Time, expense and accuracy must all the considered in making the selection.
A thorough understanding of the characteristics of each of the impression materials leads to the obvious conclusion that no single material can record both the anatomic form of teeth and tissues in the dental arch and at the same time the functional form of the residual ridge.