Table 2.
Implant-Related Information Retrieved from Patient Files
| Patient File Sample (n = 11,311 Implants) | Clinical Examination Sample (n = 2,367 Implants) | |
|---|---|---|
| Implant brand | ||
| Astra Tech group implants (Astra Tech Implant System) | 19 | 19 |
| Nobel Biocare group implants (Brånemark System, Replace Select) | 41 | 40 |
| Straumann group implants (Straumann Dental Implant System) | 30 | 32 |
| Other | 10 | 9 |
| Implant length | ||
| <10 mm | 9 | 9 |
| ≥10 mm | 91 | 91 |
| Implant diameter | ||
| <4 mm | 59 | 56 |
| ≥4 mm | 41 | 44 |
| Jaw | ||
| Maxilla | 58 | 60 |
| Mandible | 42 | 40 |
| Position | ||
| Anterior (canine-canine) | 45 | 44 |
| Posterior | 55 | 56 |
| Implant placement | ||
| Immediate (same session as tooth extraction) | 4 | 4 |
| Healed ridge | 96 | 96 |
| Installation procedure | ||
| 1-stage | 49 | 49 |
| 2-stage | 51 | 51 |
| Bone augmentation procedure | 7 | 8 |
| Loading | ||
| Early/direct (<4 wk from implant placement) | 7 | 5 |
| Late (≥4 wk) | 93 | 95 |
| Retention of supraconstruction | ||
| Screw retained | 83 | 81 |
| Cemented | 16 | 19 |
| Removable | 1 | 0 |
| Design of supraconstruction | ||
| Single | 10 | 12 |
| Multiunit without cantilever | 30 | 30 |
| Multiunit with cantilever | 60 | 58 |
| Connection | ||
| Single | 10 | 12 |
| Implant-implant | 89 | 87 |
| Implant-tooth | 1 | 1 |
All data are given in percentages.