Table 2 Periodontal characteristics

 Mean number of teeth

27.9 ± 0.36

27.9 ± 0.36

–

 Proportion of sites BOP

13.6 ± 11.3

11.4 ± 12.0

0.22

  ≥ 1 site BOP (No. (%))

18 (85.7)

17 (81.0)

0.56

  ≥ 1 site & < 10% of sites BOP (No (%))

5 (23.8)

8 (38.1)

–

  ≥ 10% & < 25% of sites BOP (No (%))

8 (38.1)

5 (23.8)

–

  ≥ 25% of sites BOP (No (%))

5 (23.8)

4 (19.1)

0.56

 Mean PD (mm)

1.6 ± 0.3

1.4 ± 0.2

0.02

 Proportion of sites with PD ≥3 mm

9.3 ± 11.5

4.2 ± 6.0

0.05

  ≥ 1 site PD ≥4 mm (No (%))

1 (4.8)

0 (0.0)

–

 Mean CAL (mm)

1.6 ± 0.3

1.4 ± 0.2

0.02

  ≥ 1 site CAL ≥4 mm (No (%))

2 (9.5)

1 (4.8)

0.56