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Table 4 Reasons for exclusion

From: Marginal bone loss around oral implants supporting fixed versus removable prostheses: a systematic review

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