title: Effects of sprue design, casting machine, and heat source on casting porosity.
mesh_terms: D003442:Crowns; D003722:Dental Alloys; D003734:Dental Casting Investment; D003735:Dental Casting Technique / Q000295:instrumentation*; D003801:Dental Veneers; D004867:Equipment Design; D005069:Evaluation Studies as Topic; D006358:Hot Temperature; D013499:Surface Properties
chemical_list: D003722:Dental Alloys; D003734:Dental Casting Investment