Table 2. The mean value of optical density and the percentage of living cells for each treatment.
| Treatment Group | N | Optical Density Mean | Standard Deviation | Percentage of Living Cells |
|---|---|---|---|---|
| Hydroxyapatite graft 100ppm | 5 | 0,0684 | 0,017785 | 89,8% |
| Hydroxyapatite graft 50ppm | 5 | 0,0724 | 0,018366 | 93,27% |
| Hydroxyapatite graft 25ppm | 5 | 0,0816 | 0,018366 | 101,2% |
| Cell Control | 5 | 0,0802 | 0,014704 | 100% |
| Media Control | 5 | 0,0358 | 0,000837 | 0% |