Table For Cements Shortcut)

Classifications : Components:

Zinc Phosphate Cement

Powder

Copper Cement/ Modified Zinc Phosphate Cement Type I 25% Co oxide









Magnesium Oxide modifier

 Bismuth  modifier

Liquid    

o

component

25% Copper oxide

 Magnesium oxide 



 Calcium hydroxide

10% Mg oxide

modifier

modifier

 Flouride  anti



10% Mg oxide

50% by weight  WATER  + Co-polymer

o

Mat

polyacrylic acid



Powder-liquid

o

M

o

Rati o: 1.4 gm powder per 0.5 ml liquid

2 paste form powder-liquid

 

aterials: Glass Slab and cement spatula

o

common solvent: aqueous methyl cellulose

 aqueous solution of

2-5% Copper oxide

erials: Glass Slab and cement spatula

•

cariogenic agent Liquid

o





• 6% Zinc oxide • 6% Calcium Hydroxide • suspended in chloroform solution of resinous material

 Zinc oxide  main

85-88% Zn oxide

Phosphoric acid Aluminum phosphate Magnesium phosphate water

Calcium Hydroxide

Powder

o



Powder-liquid



Manipulation

Liquid

Zinc Polycarboxylate/ Zinc Polyacrylate

 Comp onents: *powder- zinc oxide * liquid- eugenol

65% Zn oxide

Zinc oxide  90% (main component)

Dispensing form

Zinc Oxide Eugenol (ZOE)

o

R

Mat erials: Glass Slab and cement spatula o Divi de the powder into 2-3 large increments and mix into the liquid one by one

2

paste form- mix till homogenous

single powder 2 paste form single paste

  

o

M

aterials: Glass Slab and cement spatula

atio: 1.4 gm powder per 0.5 ml liquid

powder-liquid single powder

 

 Use: ball tip spatula & mixing pad  Mix till homogenous color



Mixing time: 45-60 sec pH

uses

strength

3.5



-cementing medium -base

o

 

Type I- 0.8 Type II- 2.5



(after 28 days)pH 5.3 o Temporary restorative material

com

o



1.7



- temporary cementing medium -permanent cementing medium - indirect pulp capping -liner -obtundent material in R.C therapy

 

Luting agent Base

 Direct pulp capping agent  Liner

c Type I conventional ZOE –

o



7

com

o

11.5-13

pressive strength  12,000-16,000psi

o

tens ile strength  700psi

ompressive strength  12,00016,000psi

o

ensile strength  700psi

t

comp str= 800-1200 psi Tensile str= 200psi Type II EBA-Allumina comp str= 9320 psi Tensile str= 1030psi Type III Polymer-Modified comp str= 7308 psi Tensile str=603 psi Type IV ZOE Liner comp str= 798 psi Tensile str= 62.3psi

pressive strength  8000psi

o

tens ile strength  1030-2250psi

compressive strength  <1200psi