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Excluded papers with reasons.
| Reason of exclusion | Number of excluded studies |
|---|---|
| Mean follow‐up < 6 months | 6 |
| Mixed diameter | 55 |
| Partially edentulous | 21 |
| Out of topic (diameter > 3.5 mm or <2.5 mm) | 183 |
| Bone regeneration | 11 |
| Same pool of patients of another article | 3 |
| Number of patients < 10 | 1 |
| Nonhuman study | 9 |
| Review | 1 |
| Language | 4 |
