title: Recycling of calcium sulphate dihydrate.
abstract: This research was carried out to prepare dental stone from the previously fabricated stone casts. The study included reheating of the used casts at different conditions in an autoclave. Results indicated that calcium sulphate hemihydrate can be reproduced using the previously fabricated stone casts.
authors.affiliation: Crown and Bridge Dept., Faculty of Oral and Dental Medicine, Cairo University.
authors.forename: R M
authors.initials: RM
authors.lastname: Ibrahim
authors.forename: S H
authors.initials: SH
authors.lastname: Seniour
authors.forename: G I
authors.initials: GI
authors.lastname: Sheehab
mesh_terms: D002133:Calcium Sulfate / Q000032:analysis; D003734:Dental Casting Investment / Q000032:analysis; D003735:Dental Casting Technique; D004055:Differential Thermal Analysis / Q000706:statistics & numerical data; D017743:Equipment Reuse / Q000706:statistics & numerical data; D013997:Time Factors; D014961:X-Ray Diffraction
chemical_list: D003734:Dental Casting Investment; D002133:Calcium Sulfate