| Material | Resin type* | Filler type | S-PRG filler content rate |
| 0% resin | Bis-GMA/TEGDMA = 60/40 | - | - |
| 30% resin | Bis-GMA/TEGDMA = 60/40 | S-PRG filler (19.2 wt% contains the ultrafine particle) | 30 wt% |
| 60% resin | Bis-GMA/TEGDMA = 60/40 | S-PRG filler (19.2 wt% contains the ultrafine particle) | 60 wt% |