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Characteristics of the subjects at the 7-year follow-up
| Characteristic | Case (PTG) group (n = 6) | Control group (n = 6) |
|---|---|---|
| Age (year), mean ± SD | 67 ± 12.9 range, 45–79 | 67.2 ± 11.8 range, 53–85 |
| Male/female (n) | 3/3 | 2/4 |
| Smoker | 2/6 | 3/6 |
| Former smokers | 3/6 | 2/6 |
| Diabetes (type 2) | 1/6 | 1/6 |
| PlI at follow-up (%), mean ± SD | 19.6 ± 15.5 | 28.8 ± 35.1 |
| Periodontal supportive care | 6/6 | 5/6 |
| Reason for placing implants | ||
| Periodontitis | 5/6 | 3/6 |
| Trauma | 1/6 | 1/6 |
| Caries | 0 | 1/6 |
| Agenesia/Anodontia | 0 | 1/6 |
