Table 1.
Cements | Chemical content | Compressive strength | Tensile strength | Solubility (weight% at 24 h) | Setting time (min) | Modulus of elasticity (GPa) | Bond to tooth | Mikroleakage | Retention | Film thickness |
---|---|---|---|---|---|---|---|---|---|---|
Zinc phosphate | Phosphoric acid liquid + zinc oxide and magnesium oxide powder[18] | 62-101 MPa[18] | 5-7 MPa[18] | 0.2[19] | 5-9[19] | 13[19] | No[18,19] | High[7,18] | Moderate[7,18] | <25[7,18] |
Zinc polycarboxylate | Polyacrylic acid + zinc oxide and magnesium oxide powder[18] | 67-91 MPa[18] | 8-12 MPa[18] | 0.0619 | 7-9[19] | 5-6[19] | Moderate chemical[19,22] | High to very high[7,18] | Low to moderate[7,18] | <25[7,18] |
GI | Aluminosilicates in the powder + polyacrylic acid and tartaric acid[18] | 85-126 MPa[18] | 6-7 MPa[18] | 1[19] | 6-8[19] | 7-8[19] | Chemical[19] | Low to very high[7,18] | Moderate to high[22] | <25[7,18] |
Resin-modified GI | Resin and GI[18] | 93-226 MPa[18] | 13-24 MPa[18] | 0.7-0.4[19] | 5.5-6[19] | 2.5-7.8[19] | Chemical[19] | Very low[7,18] | Medium[22,23] | >25[7,18] |
RC | Diluted composite resin + additive adhesive monomers | 179-250 (high[24]) | High[24] | 0.05[19] | 4+[19] | 4-6[19] | Micro-mechanical[19] | Very low[7,18] | High[22] | <25[25] |
GI: Glassionomer; RC: Resin cement