Composite. Composite resin Acid etching Coupling agent

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