No. of total bacteria

No. of R. dentocariosa

No. of R. mucilaginosa

No. of R. aeria

(CFU)

Healthy implants (n = 30)

1.24 × 10⁶

1.05 × 10³

4.97 × 10²

6.66 × 10³*

Peri-implantitis (n = 30)

7.16 × 10⁶

4.23 × 10³

6.40 × 10²

6.25 × 10²*