The widely accepted method in partially edentulous treatment plan is the analysis of study cast. In our practice, however, various excuses are enumerated in order to avoid this method. The aim of this paper is to describe stages of the analysis of study cast in surveyor and to emphasize advantages of this therapy. Study cast analysis enables a real view of occlusion, morphological characteristics of abutment teeth and presents information about possible metal framework design. The conclusion of this paper is that the analysis of study cast could be an obligatory stage in preparing a patient partially edentulous treatment.