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Comparison of change in crestal bone levels (in millimetres)for both titanium and zirconia abutments at different time intervals.
| Time interval | Mean Difference± SD (mm) |
P value | ||
|---|---|---|---|---|
| Titanium | Zirconia | |||
| Proximal surfaces | 0–3 Months | 0.32 ± 0.889 | 0.202 ± 0.121 | 0.1 |
| 3–12 Months | 0.346 ± 0.189 | 0.285 ± 0.115 | 0.3 | |
| 0–12 Months | 0.621 ± 0.207 | 0.487 ± 0.159 | 0.02 | |
