Table 4. Statistical comparison of Ceramill and Zirkonzahn copings.
| (Mean ± SD) | Initial | Final | ||||
|---|---|---|---|---|---|---|
| Ceramill coping | Zirkonzahn coping | P values | Ceramill coping | Zirkonzahn coping | P values | |
| SW | 19.94 ± 2.39 | 15.43 ± 0.62 | < .001* | 19.82 ± 1.94 | 15.84 ± 1.11 | < .001* |
| BAMD | 101.30 ± 11.39 | 119.90 ± 11.13 | .001* | 111.20 ± 10.49 | 131.10 ± 10.99 | < .001* |
| BVMD | 54.70 ± 6.68 | 55.40 ± 12.24 | .876 | 64.70 ± 8.10 | 60.50 ± 11.97 | .370 |
| BHMD | 85.12 ± 10.62 | 105.72 ± 10.86 | < .001* | 90.09 ± 10.74 | 115.64 ± 12.18 | < .001* |
| BIG | 84.10 ± 13.48 | 42.20 ± 13.23 | < .001* | 84.00 ± 11.57 | 42.20 ± 4.08 | < .001* |
| OG | 206.00 ± 25.29 | 170.40 ± 16.21 | .014* | 216.90 ± 29.35 | 171.30 ± 13.10 | < .001* |
| LIG | 60.20 ± 14.63 | 47.60 ± 7.28 | .029* | 64.00 ± 12.27 | 54.80 ± 8.23 | .645 |
| LHMD | 105.06 ± 21.03 | 100.13 ± 12.90 | .536* | 110.50 ± 13.25 | 106.87 ± 7.65 | .465 |
| LVMD | 64.50 ± 10.15 | 60.00 ± 3.97 | .208 | 70.80 ± 11.85 | 72.50 ± 6.20 | .694 |
| LAMD | 124.10 ± 17.87 | 116.90 ± 11.79 | .302 | 131.40 ± 16.37 | 129.30 ± 7.17 | .716 |
SW: Silicone weight, BAMD: bucco-absolute margin discrepancy, BVMD: bucco-vertical margin discrepancy, BHMD: bucco-horizontal margin discrepancy, BIG: bucco-internal gap, OG: occlusal gap, LIG: linguo-internal gap, LHMD: linguo-horizontal margin discrepancy, LVMD: linguo-vertical margin discrepancy, LAMD: linguoabsolute margin discrepancy, Initial: Before porcelain veneering, Final: After porcelain veneering, * Statistically significant P < .05.