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DENT 1200 Dental Materials I

DENT 1200 Dental Materials I. Lesson 2 Composite. Main Objective of Restorative Dentistry. Restore is to replace or bring back to natural appearance and function. Esthetics means pleasing in appearance. DIRECT Done in mouth Amalgam-______ Composite-______

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DENT 1200 Dental Materials I

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  1. DENT 1200 Dental Materials I Lesson 2 Composite

  2. Main Objective of Restorative Dentistry • Restore is to replace or bring back to natural appearance and function. • Esthetics means pleasing in appearance.

  3. DIRECT Done in mouth Amalgam-______ Composite-______ GI-____________ INDIRECT Done on cast in lab FIXED REMOVEABLE Crown full denture Bridge partial denture Implant Inlay,onlay veneer (casting) RESTORATIONS

  4. CompositeEsthetic

  5. VOCAB • Bondinghttp://www.ada.org/public/media/videos/minute/cosmetic_bonding_broadband.wmv Fracture

  6. 8. Acid Etch • After liner is placed- tooth is etched with phosphoric acid for 1 minute to create tags for micromechanical retention tags

  7. ADA on Composite • http://www.ada.org/public/media/videos/minute/cosmetic_composite_broadband.wmv

  8. 1. 4 Brand names • Complete list at www.dentalcomposites.com • Adaptic by Johnson & Johnson • Concise by 3M/ESPE • Fuji by GC America • Prisma by LD Caulk/Dentsply • Heliomolar by Vivadent

  9. Composite resin cement- perm luting Direct esthetic perm rest ( ant & post) 2 paste ( LC or self cure) Single paste in syringe or compule that goes in a syringe ( LC only) 2. Use and forms

  10. 2. Flowable Composites

  11. 2. Composition • Resin Matrix- fluid base, BISGMA, dimethacrylate • Fillers- quartz, glass, silica microfilled, macrofilled, hybrid • Coupling agent- silane

  12. 3. Mix/Dispense • Select shade before prep • Prep • Liner if needed- no ZOE • Matrix- ant/ celluloid post/ toff • Etch rinse Prime dry Adhesive LC • Composite- LC

  13. 3. Mix/Dispense • 2 paste- mix equal amounts • Dispense- pass syringe or extrude sm amount from syringe onto pad • In general- keep covered until use

  14. Remove excess/flash scalpel Trim with sandpaper strip, sandpaper disk on mandrel or diamond finishing bur 4. Finish

  15. 4 Finishing

  16. 4. Post Op • Material is fully set • Be careful if area is numb • Tooth may be temperature sensitive( cold)

  17. 5. Shelf Life • Follow manufacturers expiration date • Shorter shelf life/ use life than amalgam • Store in refrigerator

  18. 6. Cost

  19. 6. Cost

  20. 7. Light Cure VS self cure • Polymerization- chemical set

  21. Do not allow acid to touch patient tissues!!!!! Do not look into the curing light!!!! Shields are available 9. Safety

  22. 10. Vocab • Most contained in presentation • Celluloid Strip/ Mylar strip- anterior, replaces matrix, keeps materials from touching adjacent teeth

  23. Shade Guide

  24. The End

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