Table 6.
Surface roughness values: Ra (in µm) and Rz (in µm) and standard deviations (SD); significant differences of roughness values between the different surface areas (0: unstressed surface prior to chewing simulation; X: stressed surface after chewing simulation; p: pressure point; w: downward movement).
| FDPs | Ra (SD) | Rz (SD) | Sign. Diff. (p < 0.05) |
|---|---|---|---|
| S3_0 | 0.665 (0.098) | 4.226 (0.645) | A, B, 1, 2 |
| S3_X_p | 1.070 (0.258)) | 6.559 (1.071) | |
| S3_X_w | 1.947 (1.073) | 10.752 (4.945) | |
| LC_0 | 0.855 (0.080) | 5.678 (0.717) | B, C, 2, 3 |
| LC_X_p | 0.858 (0.290) | 5.696 (1.472) | |
| LC_X_w | 1.472 (0.593) | 10.194 (3.843) | |
| SC_0 | 0.637 (0.066) | 4.254 (0.873) | A, B, C, 2, 3 |
| SC_X_p | 0.985 (0.330) | 5.585 (0.706) | |
| SC_X_w | 1.695 (0.742) | 9.439 (3.407) | |
| CT_0 | 0.541 (0.102) | 3.558 (0.976) | A, B, C, 1, 2, 3 |
| CT_X_p | 2.870 (2.101) | 19.138 (6.038) | |
| CT_X_w | 3.531 (0.755) | 24.957 (5.037) | |
| GD_0 | 0.803 (0.012) | 5.769 (0.291) | A, B, 1, 2 |
| GD_X_p | 1.398 (0.272) | 10.239 (1.318) | |
| GD_X_w | 1.864 (0.857) | 11.839 (3.938) | |
| LE_0 | 0.791 (0.038) | 6.557 (1.853) | A, B, 1, 2, 3 |
| LE_X_p | 0.548 (0.033) | 3.517 (0.166) | |
| LE_X_w | 0.749 (0.113) | 4.924 (1.358) |
A significant differences in Ra between 0 and X_p. B significant differences in Ra between 0 and X_w. C significant differences in Ra between X_p and X_w. 1 significant differences in Rz between 0 and X_p. 2 significant differences in Rz between 0 and X_w. 3 significant differences in Rz between X_p and X_w.