| Oral characteristics | Stage of the study (evaluation) | ||
| Preoperative N (%) | 60 days N (%) | 180 days N (%) | |
| Gingival bleeding | 13 (65%) | 12 (60%) | 7 (35%)* |
| Halitosis | 14 (70%) | 14 (70%) | 13 (65%) |
| Tooth mobility | 6 (30%) | 7 (35%) | 11 (55%)* |
| Malocclusion | 6 (30%) | 6 (30%) | 6 (30%) |
| Dentin hypersensitivity | 5 (25%) | 5 (25%) | 9 (45%)* |