Table 2.
Constants for thermal contraction coefficients for Y-TZP, VM9 and LAVA Ceram. The constants a, b and c are obtained from the regression analysis. All data is measured by the Orton Materials Testing & Research Center through a paid service.
| Ceramics | a | b | c | d | e |
|---|---|---|---|---|---|
| VM9 | 8.0052E-06 | 4.7623E-09 | −2.2062E–12 | −2.7782E–4 | 5.0500E–7 |
| LAVA Ceram | 9.2057E-06 | 2.0210E-09 | −8.1870E–13 | −7.1464E-5 | 1.6134E–7 |
| Y-TZP | 1.0614E-06 | −1.5188E-08 | 1.2092E–11 | 0 | 0 |