Table 1.
Absolute marginal gap of zirconia copings and crowns (µm)
| Copings | Crowns | P value | |||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Chamfer | 49.87 a | 3.62 | 68.24 b | 13.84 | 0.014 |
| Shoulder | 35.20 a | 6.15 | 63.06 b | 5.59 | 0.000 |
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