CompositeComposite
Composite resin
Acid etching
Coupling agentCoupling agent
Fissure sealer :composite with low filler
Used to children have high caries rate
Fissure sealer
The composite consist of: *organic matrix
*inorganic filler*coupling agent
*initiator :(comphoroquinone)
*inhibitor:(hydroquinone)
Hoe do we applied composite *After prepare the cavity
*Put acid etching (from 15 to 20 sec)
*Then cleaning then drying thecanal
*Put the ponding agent >>> light cured
Dycal system ,the most important liner Consist of two:
1 -catalyst2-base
Contain:
(calcium disalicylate / sulphate/tungstate)*only restorative dentine (can put in pulp
(directly
BaseBase catalystcatalyst
Calcium hydroxide liner
OpaicerDentine Glazier
Important point:*classification of ceramic
*properties of porcelain
Enamel
ceramic
Zinc oxide eugenolZinc polycarboxylate
GIC
Zinc phosphate
CementCementConsist of (powder +liquid)Consist of (powder +liquid)
alginate
Condensation silicone
Additional silicone
Condensation silicone
Additional silicone
The best oneThe best one
-Amalgam-
Condensationcarver
burnishing
Condenser :: mercury evaporate To remove excess mercury >> excess mercury become weak
Two type of amalgamTwo type of amalgam *Lowe copper <6
Lowe phase >> gamma 2 (mercury and tin )
*High copper >6
Endodontic materials
Intra canal medication Intra canal irrigantirrigant (Hydrogen peroxide )
*Temporary filling (setting with saliva capet)
*Paper point gutta percha (Obturation ) ) القناة أقفل
Intra canal medicationIntra canal medication