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Table 2 Open and closed tray techniques accuracy using the Wilcoxon signed-rank test
From: A prospective clinical study on implant impression accuracy
| Techniques | Number of impressions | Median | Mean | SD | P value |
|---|---|---|---|---|---|
| Open tray | 40 | 0.040 | 0.03230 | 0.0663 | 0.365 |
| Closed tray | 40 | 0.040 | 0.0437 | 0.918 |
