Mohiddin R. Dimashkieh, DDS, MSc, Saleh M. Al-Shamrani, BDS, MS
College of Dentistry, King Saud University

A well seated and accurately fitting restoration is essential in fixed prosthodontics. "The conventional method of using die spacer is to apply it on the die stone by the technician which may give uncontrollable result. A technique has been developed where the die spacer is applied clinically by the dentist directly on each tooth preparation, and then a final impression is made over the die spacer. The relieved impression will produce controlled relief of dies with smooth surfaces. This will facilitate waxing procedures and give good fitting casts. The result is atraumatic, simple and incorporates an accurately relieved impression of each prepared tooth in the overall final impression. The die spacer will compensate for the slight contraction of elastomeric impression materials during curing as a result of a reduction in volume on cross-linking.

Saudi Dental Journal 1999;11(3):134-137.