Fahim Ahmed Vohra, Syed Rashid Habib.
Use of Poly-Urethane Resin Dies in Prosthodontic Rehabilitation of a Tooth Wear Case.
J Pak Dent Assoc Jan ;23(2):80-4.

Indirect fixed restorations are a product of multiple clinical and laboratory steps. And at the center of all these procedures is the use of cast and die material and its impact on the definitive fit of the restoration. Dental stone has long been used as a cost-effective cast and die material for fixed prosthodontics. However in cases of periodontally involved teeth having tall and thin tooth preparations, die stones lack the desired ideal mechanical properties of fracture strength and abrasion resistance. Polyurethane resin die material has long been introduced to the dental laboratory technician and has provided a viable alternative to die stone in order to avoid failure in complex prosthodontic procedures. This case report attempts to present the effective use of polyurethane resin dies during full mouth rehabilitation of a patient with generalized tooth wear.

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