Table.
Comparison of the moduli of elasticity of different materials employed within the root canal space with those of dentin.
| Material | Modulus of elasticity (GPa) | Number of times that of dentin |
|---|---|---|
| Dentin | 14.0 – 18.6 | 1 |
| Gutta-percha | 0.074 – 0.079 | 0.005 |
| Resilon | 0.087 – 0.129 | 0.005 – 0.008 |
| Poly(HEMA) | 0.18 – 0.25 | 0.01 – 0.02 |
| Clearfil SE Bond | 0.56 | 0.034 |
| C&B Metabond | 1.8 | 0.11 |
| Glass ionomer cement | 4.0 | 0.25 |
| Zinc phosphate cement | 9.3 – 13.4 | 0.57 – 0.82 |
| Fiber posts | 17.5 – 21.6 | 1.07 – 1.33 |
| Panava F | 18.3 | 1.12 |
| MTA (Portland cement) | 15 – 30 | 0.92 – 1.84 |
| Ceramic | 96 | 5.9 |
| Titanium alloy | 120 | 7.4 |
| Steel | 200 | 12.3 |