Table 2 Descriptive statistics (mean ± SD) of changes in peri-implant health

PI

 Control

1.12 ± 0.32

1.13 ± 0.43

1.19 ± 0.59

1.10 ± 0.33

1.17 ± 0.40

0.906^a

 FGG

0.63 ± 0.22

0.62 ± 0.17

0.58 ± 0.19

0.58 ± 0.16

0.56 ± 0.11

GI

 Control

0.96 ± 0.43

0.98 ± 0.28

0.94 ± 0.29

1.04 ± 0.29

1.06 ± 0.33

0.805^a

 FGG

0.71 ± 0.29

0.69 ± 0.31

0.67 ± 0.24

0.65 ± 0.19

0.62 ± 0.19

PD (mm)

 Control

4.2 ± 1.9

4.0 ± 1.8

3.7 ± 1.5

3.8 ± 1.9

3.3 ± 1.1

0.201^b

 FGG

3.7 ± 1.0

3.6 ± 1.3

3.5 ± 1.0

3.3 ± 1.1

3.1 ± 0.9

BOP (%)

 Control

11.54 ± 16.51

11.57 ± 12.95

11.56 ± 12.95

9.64 ± 16.25

11.57 ± 12.94

0.606^a

 FGG

7.69 ± 12.01

5.77 ± 10.96

5.77 ± 10.96

3.85 ± 9.39

1.92 ± 6.93