Table 1 Material properties used in this study
Material | Young’s modulus (MPa) | Poisson’s ratio |
|---|---|---|
Bone | 2000 | 0.30 |
PDL | bilinear: 0.05/0.20 ultimate strain, ε 12 7.0% | 0.30 |
Tooth | 20,000 | 0.30 |
Adhesive—composite resin | 8823 | 0.25 |
Adhesive—RMGI | 7600 | 0.30 |
Bracket—titanium | 114,000 | 0.30 |
Bracket and ligatures—stainless steel | 200,000 | 0.30 |
Bracket—ceramic | 379,000 | 0.29 |
Wire—TMA | 65,000 | 0.30 |
Wire—stainless steel | 200,000 | 0.30 |
Ligature—elastomeric | 100 | 0.30 |