Table 2 Data at baseline, 12 months and 7 years for the PTG and OFD groups
From: Porous titanium granules in the treatment of peri-implant osseous defects—a 7-year follow-up study
Patient/implants | Radiographic defect height at deepest site (mm) | The site with the deepest PPD (mm) | PlI | BoP | BoP | BoP | ||||
|---|---|---|---|---|---|---|---|---|---|---|
Baseline | 12 months | 7 years | Baseline | 12 months | 7 years | 7 years | Baseline | 12 months | 7 years | |
1. PTG | 5.0 | 2.3 | 1.6 | 6 | 3 | 2 | 0/6 | 6/6 | 6/6 | 0/6 |
2. PTG | 5.6 | 3.9 | 5.6 | 10 | 7 | 4 | 1/6 | 6/6 | 6/6 | 6/6 |
3. PTG | 7.0 | 3.5 | 7.0 | 9 | 7 | 9 | 2/6 | 6/6 | 6/6 | 6/6 |
4. PTG | 3.1 | 1.7 | 2.5 | 6 | 4 | 4 | 0/6 | 6/6 | 0/6 | 6/6 |
5. PTG | 4.6 | 0.8 | 2.2 | 9 | 7 | 3 | 0/6 | 4/6 | 6/6 | 6/6 |
6. PTG | 7.1 | 4.1 | 8.9 | 8 | 4 | 4 | 6/6 | 3/6 | 4/6 | 3/6 |
Mean ± SD (min, max) | 5.4 ± 1.5 (3.1–7.1) | 2.7 ± 1.3 (0.8–4.1) | 4.6 ± 3.0 (1.6–8.9) | 8 ± 1.7 (6–10) | 5.3 ± 1.9 (3–7) | 4.3 ± 2.4 (2–9) | 25% | 92% | 77% | 75% |
1. OFD | 3.3 | 1.2 | 3.2 | 8 | 5 | 4 | 1/6 | 6/6 | 0/6 | 6/6 |
2. OFD | 3.2 | 2.6 | 4.4 | 5 | 3 | 5 | 0/6 | 6/6 | 6/6 | 6/6 |
3. OFD | 6.3 | 5.3 | 5.8 | 7 | 8 | 4 | 6/6 | 6/6 | 6/6 | 6/6 |
4. OFD | 3.9 | 3.5 | 6.8 | 6 | 4 | 4 | 0/6 | 6/6 | 6/6 | 4/6 |
5. OFD | 5.3 | 4.2 | 4.9 | 13 | 5 | 2 | 0/6 | 6/6 | 6/6 | 0/6 |
6. OFD | 3.5 | 2.4 | 1.8 | 9 | 2 | 2 | 6/6 | 6/6 | 6/6 | 6/6 |
Mean ± SD (min, max) | 4.3 ± 1.3 (3.2–6.3) | 3.2 ± 1.4 (1.2–5.3) | 4.5 ± 1.8 (1.8–6.8) | 8 ± 2.8 (5–13) | 4.5 ± 2.1 (2–8) | 3.5 ± 1.2 (2–5) | 36% | 100% | 83% | 78% |