Table 2.
Analysis of variance for cell viability, surface roughness, and wetting of the studied ceramics in studied time intervals
| Sum of squares | df | Mean square | F | Significant | |
|---|---|---|---|---|---|
| Cell viability | |||||
| 24 h | |||||
| Between groups | 541.56 | 4 | 135.39 | 1.88 | 0.19 |
| Within groups | 720.140 | 10 | 72.014 | ||
| Total | 1261.70 | 14 | |||
| 72 h | |||||
| Between groups | 1781.66 | 4 | 445.41 | 7.15 | 0.005 |
| Within groups | 622.580 | 10 | 62.26 | ||
| Total | 2404.24 | 14 | |||
| 168 h | |||||
| Between groups | 537.88 | 4 | 134.47 | 2.63 | 0.098 |
| Within groups | 512.25 | 10 | 51.23 | ||
| Total | 1050.13 | 14 | |||
| Ra | |||||
| Between groups | 4.17 | 4 | 1.043 | 4.97 | 0.018 |
| Within groups | 2.10 | 10 | 0.21 | ||
| Total | 6.27 | 14 | |||
| Wetting angle | |||||
| Between groups | 5602.90 | 4 | 1400.73 | 146.97 | <0.001 |
| Within groups | 95.31 | 10 | 9.53 | ||
| Total | 5698.21 | 14 |
Ra: Surface roughness