Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 1 PowerPoint ® Presentation for Dental Materials with Labs Module: Restorative Materials: Dental Cements
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 2 Module: Restorative Materials: Dental Cements Restorative Materials: Dental Cements Part A: Dental Material Properties Part B: Dental Cements
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 3 Module: Restorative Materials: Dental Cements Learning Objectives 1. Define the Key Terms. 2. Explain properties of dental materials. 3. List materials used to restore cavity preparations. 4. Explain composition, uses, and manipulation of dental cements. 5. Demonstrate manipulation of zinc phospate, polycarboxylate, glass ionomer, and zinc oxide eugenol cements.
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 4 Key Terms Dimensional change Ductility Exothermic Flow Galvanism
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 5 Part A: Dental Material Properties WettabilitySolubilityGalvanismCorrosion ViscosityRetentionFlow Biting forces Thermal expansionMicroleakageElasticityAdhesion ThermalHardness Dimensional changeAcidity
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 6 Biting Forces
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 7 Part B: Dental Cements Varnish Sedative Base LinerLuting Cements
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 8 Materials Preparing for Restoration Liner Bases Varnish Cements Bonding agents
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 9 Calcium Hydroxide
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 10 Copalite Varnish
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 11 Luting Cements Permanent Temporary Intermediate Compomer Resin Glass Ionomer Polycarboxylate Zinc Oxide Eugenol Zinc Phosphate Luting
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 12 Zinc Phosphate Cement
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 13 Glass Ionomer Cements
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 14 Polycarboxylate Cement
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 15 Assessment Questions What are the three biting forces? Tensile, compressive, and shearing What is the term for two different metals meeting and creating small electrical shocks? Galvanism or galvanic shock Why must zinc phosphate cement be mixed on a cool glass slab? Because it has an exothermic reaction
Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 16 Summary of Module Key Terms Dental material properties Dental cements