Table 1.
Materials used in this study.
| Materials | Types of materials | Manufacturers |
|---|---|---|
| Impression materials | ||
| Algiace Z | Alginate | Sankin Kogyo KK, Tokyo, Japan |
| Cavex | Alginate | Cavex, The Netherlands |
| Jeltrate | Alginate | Dentsply Asia, Hong Kong |
| Aquasil LV | Addition type silicone | Dentsply, Chicago, IL, USA |
| Coltex fine(light body) | Condensation type silicone | Coltene/Whaledent Inc., Mahwah, NJ, USA |
| Exaflex regular (injection type) | Addition type silicone | GC America Inc., Chicago, IL,USA |
| Take 1(wash type) | Addition type silicone | Kerr Co., Romulus, MI, USA |
| Gypsum products | ||
| MG crystal rock | Type IV stone | Maruishi Gypsum Co., Tokyo, Japan |
| Super hard stone | Type IV stone | Chi Shi Co., Taipei, Taiwan |
| MS plaster | Type II stone | Chi Shi Co., Taipei, Taiwan |