Table 4.
Changes in clinical parameters (mean ± SD) after non-surgical periodontal therapy according to stress level category and coping response behavior
| Baseline | Re-evaluation | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Stress + coping + (n = 10) |
Stress + coping − (n = 17) |
Stress − coping + (n = 40) |
Stress − coping − (n = 23) |
p-value | Stress + coping + | Stress + coping − | Stress − coping + | Stress − coping − | p-value | |
| N° teeth | 25.7 ± 2.3 | 26.2 ± 2.9 | 26.7 ± 3.1 | 25.9 ± 3.3 | 0.604 | 25.6 ± 2.2 | 25.3 ± 3.1 | 26.0 ± 3.5 | 25.4 ± 3.3 | 0.646 |
| FMBS, % | 70.9 ± 22.9 | 68.9 ± 21.4 | 62.2 ± 25.2 | 67.4 ± 21.9 | 0.926 | 33.2 ± 12.0 | 43.7 ± 11.9 | 18.8 ± 7.5a | 22.6 ± 9.0a | <0.001 |
| FMPS, % | 72.7 ± 20.1 | 67.6 ± 23.5 | 69.1 ± 20.7 | 67.9 ± 19.9 | 0.922 | 16.2 ± 7.4a | 28.8 ± 10.1 | 20.2 ± 11.1a | 20.2 ± 8.5 | 0.009 |
| Sites with PPD ≥ 6 mm | 31.3 ± 22.5 | 28.9 ± 26.4 | 25.7 ± 21.5 | 27.1 ± 20.1 | 0.867 | 14.6 ± 6.5 | 11.2 ± 9.8 | 8.5 ± 7.1 | 7.5 ± 6.0a | 0.047 |
| Sites with PPD 4–5 mm | 51.9 ± 15.3 | 46.2 ± 19.3 | 47.7 ± 22.4 | 50.5 ± 20.5 | 0.686 | 37.2 ± 13.1 | 29.4 ± 16.7 | 27.3 ± 15.5 | 27.6 ± 17.7 | 0.216 |
| Sites with PPD ≤ 3 mm | 70.9 ± 22.5 | 80.7 ± 31.7 | 85.4 ± 30.1 | 77.5 ± 29.7 | 0.487 | 99.6 ± 17.3 | 111.1 ± 26.1 | 120.5 ± 28.4a | 117.1 ± 32.1 | 0.041 |
| PPD, mm | 4.1 ± 0.6 | 3.9 ± 0.7 | 3.7 ± 1.0 | 3.9 ± 0.7 | 0.505 | 3.4 ± 0.3 | 3.3 ± 0.6 | 2.9 ± 0.4 | 2.8 ± 0.7a | 0.007 |
| CAL, mm | 4.3 ± 1.5 | 4.9 ± 1.0 | 4.4 ± 1.4 | 4.5 ± 1.4 | 0.234 | 4.3 ± 1.0 | 4.5 ± 1.3 | 3.7 ± 1.0 | 4.0 ± 1.1 | 0.055 |
Abbreviations: CAL, clinical attachment level; FMPS, full-mouth plaque score; FMBS, full-mouth bleeding score; PPD, probing pocket depth; Stress +, major stress level; Stress −, minor stress level; Coping +, approach coping strategy; Coping −, avoidance coping strategy
a= significant difference vs stress+/coping−