Table 3.
Therapy-related outcomes
| T0 mean ± SD (median/ IQR) |
T1 mean ± SD (median/ IQR) |
T2 mean ± SD (median/ IQR) |
|
|---|---|---|---|
| Teeth | |||
| Total (n) | 2626 | 2586 | 2451 |
| Per patient |
24.3 ± 3.9 (25.0/ 23.0; 27.0) |
23.9 ± 4.1 (25.0/ 23.0; 27.0) |
22.7 ± 5.9 (23.5/ 20.3; 26.0) |
| Restorations (patients, n) | |||
| Fixed tooth-supported restorations | 72 | 72 | 53 |
| Fixed implant-supported restorations | 15 | 18 | 40 |
| Removable restorations | 2 | 3 | 5 |
| PPD (sites, %) | |||
| < 4 mm |
69.9 ± 15.4 (73.3/ 61.2; 81.5) |
88.0 ± 8.5 (89.5/ 83.5; 93.9) |
88.8 ± 10.4 (90.4/ 84.6; 96.6) |
| 4–5 mm |
20.1 ± 9.6 (18.7/ 13.1; 26.0) |
10.5 ± 7.1 (9.2/ 5.0; 14.1) |
9.4 ± 8.2 (8.1/ 3.0/ 13.7) |
| > 5 mm |
10.0 ± 9.6 (7.7/ 2.5; 14.0) |
1.5 ± 2.1 (0.7/ 0.0; 2.3) |
1.8 ± 3.1 (0.6/ 0.0; 2.1) |
| Mean PPD (mm) |
3.25 ± 0.62 (3.19/ 2.77; 3.54) |
2.50 ± 0.34 (2.50/ 2.25; 2.71) |
2.45 ± 0.41 (2.40/ 2.20; 2.67) |
| CAL (sites, %) | |||
| < 4 mm |
56.5 ± 22.0 (59.8/ 41.5; 72.6) |
66.9 ± 22.3 (71.9/ 54.7; 84.5) |
66.9 ± 22.5 (71.5/ 55.1; 83.8) |
| 4–5 mm |
27.5 ± 13.2 (26.1/ 16.8; 37.0) |
24.0 ± 14.5 (21.8/ 11.3; 33.2) |
23.5 ± 13.6 (23.0/ 13.2; 33.2) |
| > 5 mm |
16.0 ± 14.5 (12.7/ 5.5; 20.1) |
9.1 ± 10.9 (4.9/ 1.4; 11.5) |
9.6 ± 12.4 (5.2/ 1.3; 13.6) |
| Mean CAL (mm) |
3.76 ± 0.92 (3.66/ 3.16; 4.15) |
3.23 ± 0.81 (3.07/ 2.74; 3.58) |
3.25 ± 0.87D (3.10/ 2.69; 3.63) |
| Furcation involved teeth (n) | |||
| FI I | 311A | 316C,D | 337 |
| FI II | 174 | 107 | 74 |
| FI III | 80 | 52 | 53 |
| Mobile teeth (n) | |||
| Degree I | 475A | 310 | 137 |
| Degree II | 167 | 68 | 33B |
| Degree III | 50 | 20 | 13B |
| PISA |
397.0 ± 377.1 (313.8/ 83.0; 650.3) |
184.3 ± 148.8 (145.1/ 72.2; 255.4)C, D |
247.9 ± 192.7 (201.5/ 96.3; 321.7) |
| BOP (%) |
26.4 ± 20.9 (21.5/ 12.9; 33.5) |
13.2 ± 8.9 (11.5/ 7.0; 18.8)C, D |
18.2 ± 11.8 (16.0/ 9.0; 24.8) |
| PCR (%) | - (*) |
30.2 ± 17.6 (27.5/ 16.3; 39.8)A |
33.2 ± 18.4 (31.0/ 19.3; 46.0) |
SD, standard deviation; IQR, interquartile range; SPC, supportive periodontal care; PPD, periodontal probing depths; CAL, clinical attachment level; FI, furcation involvement; PISA, periodontally inflamed surface area; BOP, bleeding on probing; PCR, plaque control record
*PCR is not documented before start of active periodontal treatment
Significant bivariate correlation (Spearman rank correlation, p < 0.05) with OHIP-G49 sum score (A), VAS for self-perceived esthetic (B), VAS for chewing function (C), and/or VAS for hygiene ability (D) marked with superscript letter