Table 6 Mean values for MBL, PPD, plaque, and Bleeding Index as well as the corresponding peri-implantitis rate, as described by the authors in Table 5

Dierens et al. (2011)

1.7 ± 0.88 (from baseline)

3.9 ± 1.27

0.25 ± 0.35 (acc. to Loe, 1967)

Not specified

Not specified

Frisch et al. (2020)

1.8 ± 1.2 (bone level)

3.69 ± 1.06

Not specified

36.6% (implants with BOP)

7%, 40% (incidence)

Astrand et al. (2008)

1.72 ± 0.16 (from baseline)

3.4

Not specified

Not specified

2.4%

Lekholm et al. (2006)

1.0 (from baseline)

Not specified

Not specified

Not specified

Not specified

Jokstad et al. (2017)

1.52 ± 1.57 (bone level)

2.5 ± 1.3

0.8 ± 0.98 (acc. to Mombelli, 1987)

0.92 ± 0.83 (acc. to Mombelli, 1987)

5.1%

Chappuis et al. (2013)

3.04 (bone level, median)

3.14 ± 0.95

0.44 ± 0.64 (acc. to Mombelli, 1987)

0.11 ± 0.41 (acc. to Mombelli, 1987)

13.7% (incidence)

Bakker et al. (2019)

1.14 ± 0.85 (from baseline)

3.5 (median)

2 (median, acc. To Mombelli, 1987)

1 (median, acc. to Mombelli, 1987)

Not specified

Deporter et al. (2014)

0.67 (bone level)

Not specified

Not specified

Not specified

Not specified

Jacobs et al. (2010)

0.02 ± 0.45–0.31 ± 0.69 (from baseline)

Not specified

Not specified

Not specified

Not specified

Jung et al. (2021)

2.0 ± 1.4–2.5 ± 1.5 (from baseline)

2.9 ± 1.1–3.3 ± 1.1

6–21% (acc. to O’Leary)

34–41%

(BOP)

Not specified

Donati et al. (2018)

0.41 ± 1.25–0.83 ± 1.59 (from baseline)

3.7 ± 1.03–4.0 ± 1.3

14.8–25.9% (index not specified)

11.1–25.9% (BOP)

10.9%

Our findings

2.5 ± 1.8 (from baseline)

2.4 ± 1.5

1.0 ± 1.2 (acc. to Mombelli, 1987)

40.6% (implants with BOP)

9.4%