title: Hardening of model and die materials by an epoxy resin.
mesh_terms: D002133:Calcium Sulfate; D004853:Epoxy Resins; D006244:Hardness; D003765:Models, Dental; D013314:Stress, Mechanical; D013499:Surface Properties; D013718:Tensile Strength
chemical_list: D004853:Epoxy Resins; D002133:Calcium Sulfate