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Dec 09, 2024
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2021-2022 Archived Catalog
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DAST-116L Dental Materials LabCredits 0 / 4 Contact Hours Pre-requisite: Division signature is required for registration; Program Eligibility Requirements; Placement into College Level Reading, completion of ELAP-120 with a 2.0 or higher, or successful completion of ACRD-090, ACRD-091 or ACRD-092. Co-requisite: Student must enroll in one section of DAST-116. The lab portion of DAST-116 Dental Materials.
Course Outcomes 1. Give the principal aim of restorative dentistry that relates to the use of dental materials 2. Indicate a material that is used typically to restore a small portion of an anterior tooth: a posterior tooth 3. List the material or materials of choice when most or all of the coronal enamel of an anterior tooth must be replaced and state the reasons for the selection: a posterior tooth 4. Describe the purpose of the American Dental Association specifications for dental materials and device 5. List at least 6 physical and biological considerations of material used in the oral cavity 6. Define the terms: dimensional change, thermal dimensional change, percolation and thermal conductivity 7. State 2 electrical properties and define each 8. Define the term: solubility, adsorption, absorption and wettability 9. List at least 10 mechanical properties and define each as it relates to the use of dental materials 10. Define the terms: model, cast and die 11. List the 5 groups of materials used as model and die materials and give examples of each. 12. Compare the uses of plaster, stone and improved stone 13. Give typical water/powder ratios for plaster, stone and improved stone, and describe the effects of this ratio on setting time, strength and setting expansion 14. Define and give examples of accelerators and retarders used with gypsum products 15. Describe the function of an impression material 16. Explain the difference in clinical application between rigid and flexible impression materials 17. Identify the use and characteristics of agar hydrocolloid 18.Describe manipulation and storage conditions of agar impressions 19. Identify the use and characteristics of alginate 20. Describe the manipulative procedures used with alginates and factors that influence them 21. Identify the classes of rubber impression materials and describe their use 22. Identify the components of polysulfide, silicone and polyether impression materials and describe their function 23. Describe the dispensing and mixing of polysulfide, silicone, polyether and vinyl polysiloxane impression materials 24. List health hazards that may result if mercury is improperly handled in the dental office 25. List the major and minor components found in conventional, admixed and atomized high-copper types of dental amalgam alloy 26. Outline the reaction of mercury with amalgam alloy and list the resulting phases 27. Recognize terms common to the manipulation of amalgam such as: trituration, amalgamator, mulling, condensation, burnishing and mercury - alloy ratio 28. Give 2 shapes of particles of dental amalgam alloy and indicate how particle shape influences the mercury -alloy ratio 29. Indicate the forms in which amalgam alloys are available and the dispensing equipment required for each form 30. List 3 objectives of condensation of amalgam 31. Discuss the results of contamination of dental amalgam with water or saliva during trituration and/or condensation 32. Compare the uses of liners, cements, cement bases and varnishes 33. List the major components in liners and varnishes 34. State the uses, properties, composition and mixing techniques ·of zinc phosphate, zinc oxide-eugenol, zinc polyacrylate and glass ionomer cements 35. List the components in a composite and indicate their function 36. Indicate 2 methods by which polymerization is accelerated 37. Describe how bonding between a composite resin and tooth structure is achieved, the nature of the bond formed, and the importance of the acid-etch composite resins 38. Describe the dispensing, mixing and insertion of a paste system of composite resin 39. Describe the polymerization of composite resins by ultraviolet and those by visible light 40. List several uses of unfilled acrylics 41. Define the terms monomer and polymer 42. Compare the thermal expansion coefficients of unfilled acrylics and tooth structure 43. Describe the manipulation of unfilled acrylics by the bulk and brush technique 44. Fabricate a maxillary dentulous and edentulous custom acrylic 45. Fabricate a mandibular dentulous and edentulous custom acrylic tray 46. Fabricate a maxillary and mandibular bleaching tray
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