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基线及3个月复查时两组牙槽骨高度结果的比较
Comparison of alveolar bone height results between two groups at baseline and 3 months
| Group | n | Baseline/mm, x±s | 3 months later/mm, x±s | Change/mm, x±s | P value |
| Test group | 21 | 3.90±0.95 | 3.91±1.10 | 0.02±0.43 | 0.96 |
| Control group | 20 | 4.03±1.43 | 3.95±1.23 | 0.08±0.54 | 0.84 |
| P value | 0.72 | 0.92 | 0.52 |
