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Distribution of the plaque index on the implants (unilateral evaluation).
| Plaque Index According to Mombelli | PRP Side | Control Side | ||
|---|---|---|---|---|
| Number of Implants | Percent | Number of Implants | Percent | |
| Grade 0: No Plaque | 21 | 38.2% | 15 | 22.1% |
| Grade 1: Plaque visible by probing | 22 | 40% | 34 | 50% |
| Grade 2: Visible plaque accumulation | 10 | 18.2% | 16 | 23.5% |
| Grade 3: massive plaque accumulation | 2 | 3.6% | 3 | 4.4% |
| Total | 55 | 100% | 68 | 100% |
