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Mean and mean difference of distance from contact point to gingival margin
| Assessment interval | Mean ± SD | Mean difference | t value | p-value |
|---|---|---|---|---|
| Baseline | 2.60±0.98 | Baseline to | ||
| 1 month | 1.87±1.13 | 0.80±0.94 | 3.29 | 0.005 |
| 3 month | 1.87±1.13 | 0.80±0.94 | 3.29 | 0.005 |
| 6 month | 1.87±1.13 | 0.80±0.94 | 3.29 | 0.005 |
