| Symbols | |
| ε | strain (mm/mm) |
| μm | Micro meter |
| g | gram |
| F | force (N) |
| l0 | initial length (mm) |
| lf | final length (mm) |
| σ | Stress (MPa) |
| J | Joule |
| Acronyms | |
| ADA | American Dental Association |
| ANSI | American National Standart Institue |
| ISO | international Organization of Standardization |
| WP-AM | weight-based proportioned-automatically mixed |
| VP-MM | volumetrically proportioned-manually mixed |
| VP-AM | volumetrically proportioned-automatically mixed |
| CAD | computer aided design |
| LVDT | linear variable differential transformer |
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