3. DENTURE RESINS AND POLYMERS
*Classification of denture base materials.
*Ideal Requirements of dental resins.
*use of resins.
*Degree of Polymerization.
*Spatial struture.
*Polymerization,Types.
*Cross linking.
*Plasticizers.
*Heat cure Acrylic resins,composition,steps,curing procedure.
*Separating media.
*Comparison self & heat cure resins.
*Comparison resins & porcelains dentures.
*Resin teeth.
*Porosity of denture.
*Crazing.
*Denture cleansers.
*Denture Reliners.
*Tissue conditioners.
*Plasticized acrylic resins.
4. RIGID IMPRESSION MATERIALS & ELASTIC
IMPRESSION MATERIALS & ELASTOMERIC
IMPRESSION MATERIAL
*Classification of Impression material.
*Impression compound in detail.
*ZOE impression paste.
*NonEugenol impression pastes.
*Bite registration pastes.
*Types of Elastic impression material.
*Reversible Hydroclloids AGAR.
*Syneresis & Imbibition.
*Lamination Technique.
*Wet field Technique.
*Irreversible Hydrocolloid ALGINATE.
*Note on Impressiom Disinfection.
*Types and use of Elastomaric impression material.
*Polysulfides.
*Condensation&Addition silicon.
*Composition of polyether rubber impression material.
*Putty
*Bite registration Silicones.
5. MODEL, CAST AND DIE MATERIAL
*What is cast,model,die.
*Types of Die material.
*Ideal requirements of die material.
*Die stone.
*Electroformed Die.
*Die stone investment.
6. GYPSUM PRODUCTS
*Application.
*Classification.
*Property,composition,use of Type1,Type2,Type3
*Manufacture of GP,Dental stone,Dental plaster.
*Setting Reaction.
*Theories of Setting.
*Manipulation.
*Setting time with Factors affecting.
*Hygroscopic Expantion.
*Differences between Plaster and Dental stone
9. CASTING PROCEDURES
*Steps in making a cast Restoration in detail.
*Quenching.
*Pickling.
*Casting Defects.
*Porosity.
*Sprue former.
*Ring lining.
10. DENTAL CASTING ALLOYS
*Classification of Dental casting alloys.
*Karat.
*Composition,function of constituents,properties of GOLD ALLOYS.
*Base metal alloys for metal ceramic restoration.
*Nickel-Chromium Alloys.
*Cobalt –Chromium Alloys.
*Comparison of cobalt-cr & Gold type IV.