Plaster Of Paris Ortho Presentation
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Plaster Of Paris Ortho Presentation The plaster of paris consists of roll of muslin stiffened by dextrose or starch and impregnated with the hemihydrate of calcium sulfate. (caso4.1 2h2o) when watwer is added,the calcium sulfate takes up its water of crystallization: 2 (caso4.1 2h2o) 3h2o 2 caso4.2h2o heat this is the process of setting and is an exothermic reaction plaster. Plaster of paris has been used for orthopaedic applications since the 1850s. it is made by heating gypsum rock to form calcium sulfate hemihydrate, which sets upon hydration. pop is used for casts, slabs, splints and orthoses to immobilize and support fractured bones. application requires padding the limb and applying plaster bandages with.
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Plaster Of Paris Ortho Presentation 1 of 26. download now. 12. rules guiding pop use • pop should be applied by the surgeon • procedure requires an assistant • as a guide to appropriate size • arm & forearm – 6” • wrist – 4” • thumb & fingers – 3” • thigh & leg – 8” • ankle & foot – 6” • apply pop one joint above and below • joint should be. Plaster of paris is calcined gypsum (roasted gypsum), ground to a fine powder by milling. when water is added, the more soluble form of calcium sulphate returns to the relatively insoluble form, and heat is produced [2 (caso 4 .½ h 2 o) 3h 2 o → 2 (caso 4 .2h 2 o) heat]. the setting of unmodified plaster starts about 10 min after mixing. Plaster of paris ortho presentation free download as (.key), pdf file (.pdf) or view presentation slides online. Plastering is one of the most ancient of the building handicrafts. plaster is the common name for calcium sulphate hemi hydrate made by heating the mineral gypsum, the common name for sulphate of lime. in the tenth century the arabs used liquid plaster in orthopaedic treatment. at the beginning of the nineteenth century, patients with fractures of the lower extremities—and often of the upper.
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