| Healthy | Severe periodontitis |
---|---|---|
(n = 25) | (n = 21) | |
Gender(male/female) | 8/17 | 9/12 |
 Age (years)* | 22.00 ± 2.40 | 37.48 ± 9.85a |
 Teeth number* | 30.08 ± 1.50 | 30.43 ± 1.69 |
 PS (%)* | 27.69 ± 7.01 | 65.67 ± 13.15a |
 BOP (%)* | 8.64 ± 0.82 | 75.92 ± 13.42a |
PD in the whole mouth(mm)* | 1.90 ± 0.72 | 4.69 ± 0.92a |
PD in sampling sites(mm)* | 2.11 ± 0.65 | 7.69 ± 1.37a |
CAL in the whole mouth (mm)* | 1.90 ± 0.72 | 4.99 ± 1.00a |
CAL in sampling sites(mm)* | 2.11 ± 0.65 | 7.78 ± 1.40a |
Percentage of teeth with pockets ≥ 5 mm* | - | 88.20 ± 13.74 |
Percentage of sites with pockets ≥ 5 mm* | - | 50.28 ± 17.98 |
Percentage of teeth with ≥ 33% bone loss* | - | 42.44 ± 26.86 |
Percentage of teeth with ≥ 50% bone loss* | - | 29.44 ± 27.13 |
Periodontitis Stage#  III  IV | - - | 17 (81.0) 4 (19.0) |
Periodontitis Grade#  C | - | 21(100.0) |