[Partial models in fixed prosthodontics]

In general there is consensus regarding the required criteria for crown- and bridge restorations. However, the variety in methods used for their fabrication is large. Textbooks and courses tend to advocate the use of full arch impressions without supplying objective data indicating better clinical behaviour of these restorations compared with the use of quadrant impressions. This article presents advantages, disadvantages, indication and essential steps when using quadrant models.