Group 1 (Study group) | Group 2 (Control group) |
---|---|
Natural tooth- Class I cavity preparation LR6a | Natural tooth- Class I cavity preparation LR6 |
VRb—Class I cavity preparation LR6 | Acrylic tooth- Class I cavity preparation LR6 |
Acrylic tooth- Class I cavity preparation LR6 | VR—Class I cavity preparation LR6 |