| Patient number | Crest split sites | Implants |
| Total | Total | Total |
| 239 | 261 | 488 |
| Male | ||
| 61 | 70 | 139 |
| 26% | 27% | 28% |
| Female | ||
| 178 | 191 | 394 |
| 74% | 73% | 81% |