title: Evaluation of resin die materials.
abstract: Some mechanical properties, physical characteristics, and manipulative features of three resin-based die materials were assessed. Advantages afforded by the strength and hardness of the test materials were overshadowed by relatively long setting times, incompatability with certain impression materials, and polymerization shrinkage. All dies aged beyond 24 hours were found to be unsuitable for use in precision fixed phosthodontic procedures.
mesh_terms: D003442:Crowns; D003734:Dental Casting Investment; D003760:Dental Impression Materials; D003779:Denture Design; D005069:Evaluation Studies as Topic; D006244:Hardness; D012117:Resins, Synthetic; D013314:Stress, Mechanical; D013499:Surface Properties; D013718:Tensile Strength
chemical_list: D003734:Dental Casting Investment; D003760:Dental Impression Materials; D012117:Resins, Synthetic