DENT 1200 Dental Materials I Lesson 2 Composite Main Objective of Restorative Dentistry Restore is...
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Transcript of DENT 1200 Dental Materials I Lesson 2 Composite Main Objective of Restorative Dentistry Restore is...
DENT 1200 DENT 1200 Dental Dental
Materials IMaterials ILesson 2 CompositeLesson 2 Composite
Main Objective of Restorative Main Objective of Restorative DentistryDentistry
• Restore is to replace or bring back to natural appearance and function.
• Esthetics means pleasing in appearance.
RESTORATIONSRESTORATIONS• DIRECT Done in mouth Amalgam-______
Composite-______
GI-____________
• INDIRECT Done on cast in lab
FIXED REMOVEABLE Crown full dentureBridge partial dentureImplantInlay,onlayveneer (casting)
CompositeCompositeEstheticEsthetic
VOCABVOCAB
• Bondinghttp://www.ada.org/public/media/videos/minute/cosmetic_bonding_broadband.wmv
Fracture
8. Acid Etch8. Acid Etch• After liner is placed- tooth is etched
with phosphoric acid for 1 minute to create tags for micromechanical retention
tags
ADA on CompositeADA on Composite• http://www.ada.org/public/media/vide
os/minute/cosmetic_composite_broadband.wmv
1. 4 Brand names1. 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
2. Use and forms2. Use and forms• 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. Flowable Composites2. Flowable Composites
2. Composition2. Composition• Resin Matrix- fluid base, BISGMA, dimethacrylate • Fillers- quartz, glass, silica microfilled, macrofilled, hybrid• Coupling agent- silane
3. Mix/Dispense3. 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
3. Mix/Dispense3. Mix/Dispense• 2 paste- mix equal amounts• Dispense- pass syringe or extrude
sm amount from syringe onto pad
• In general- keep covered until use
4. Finish4. Finish• Remove
excess/flash scalpel
• Trim with sandpaper strip, sandpaper disk on mandrel or diamond finishing bur
4 Finishing4 Finishing
4. Post Op4. Post Op• Material is fully set• Be careful if area is numb• Tooth may be temperature sensitive(
cold)
5. Shelf Life5. Shelf Life• Follow manufacturers expiration date• Shorter shelf life/ use life than
amalgam• Store in refrigerator
6. Cost6. Cost
6. Cost6. Cost
7. Light Cure VS self cure7. Light Cure VS self cure• Polymerization- chemical set
9. Safety9. Safety• Do not allow acid
to touch patient tissues!!!!!
• Do not look into the curing light!!!!
• Shields are available
10. Vocab10. Vocab• Most contained in presentation• Celluloid Strip/ Mylar strip- anterior,
replaces matrix, keeps materials from touching adjacent teeth
Shade GuideShade Guide
The EndThe End