Figure 1. Materials used in this study.
| Material Type | Product | Manufacturer |
|---|---|---|
| Feldspathic porcelain | VMK 95 | Vita Zahnfabrik, Germany |
| Feldspathic porcelain | Ceramco III | Degudent GmbH, USA |
| Low-fusing porcelain | Matchmaker MC | Schottlander, UK |
| Feldspathic porcelain blocks | Vitablocs Mark II | Vita Zahnfabrik, Germany |
| Finishing and polishing disc | Sof- Lex | 3M ESPE, USA |
| Porcelain polishing kit | NTI CeraGlaze | NTI- Kahla GmbH, Germany |
| Porcelain polishing kit | Dialite II | Brasseler, USA |
| Diamond polishing paste | Sparkle | Pulpdent, USA |
| Zirconium silicate cleaning- polishing prophy paste | Zircate | Dentsply Int. Inc., USA |
| Aluminum oxide polishing paste | Prisma Gloss | Dentsply Int. Inc., USA |