1.
牙本质片处理7 d后钙、磷元素原子百分比的检测情况
Calcium and phosphorus atom percentages in the dentin discs after 7 days of treatment (n=8)
| Group | Average rank | ||||
| Calcium | Phosphorus | ||||
| Premolar | Molar | Premolar | Molar | ||
| Negative control | 8.50 | 6.00 | 4.62 | 6.00 | |
| HA | 12.75 | 11.00 | 13.94 | 11.50 | |
| n HA | 20.25 | 20.50 | 18.94 | 20.00 | |
| H | 19.860 | 17.360 | 16.891 | 15.920 | |
| P | < 0.000 | < 0.000 | < 0.000 | < 0.000 | |