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Reasons for exclusion
| Reason for exclusion | Number of excluded studies |
|---|---|
| Review | 3 |
| No data on MBL | 5 |
| No comparison of MBL between fixed and removable prostheses | 16 |
| Inclusion of patients with diabetes, periodontal diseases, augmented bone, pregnancy, osteoporosis, heavy smokers or studies in which > 25% of the patient population were smokers | 10 |
| Tooth-implant-supported restorations | 1 |
| Single-tooth implant restoration | 1 |
