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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%