Table 1.
Characterization of the study groups (patients with Crohn’s disease and their age- and gender-matched healthy controls) according to periodontal health status and stimulated salivary flow. PPD = probing pocket depth; BOP = bleeding on probing.
| Findings | Crohn’s Disease Group (N = 47) | Control Group (N = 41) | Difference P-Value |
|---|---|---|---|
| Gender (male %) | 23.4 | 29.3 | 0.629 |
| Age, years (mean, st.dev) | 46.4 (13.9) | 47.4 (13.2) | 0.734 |
| No. of teeth (mean, st.dev) | 27 (2.3) | 27.6 (2.4) | 0.192 |
| VPI % (mean, st.dev) | 23.8 (20.8) | 22.9 (18.7) | 0.828 |
| BOP % (mean, st.dev) | 32.7 (23.3) | 33.9 (28.6) | 0.820 |
| Individuals with PPD 4 mm (n, %) | 22 (46.8) | 13 (31.7) | 0.192 |
| Individuals with PPD 5–6 mm (n, %) | 1 (2.1) | 8 (19.5) | 0.011 |
| Individuals with PPD ≥ 7 mm (n, %) | 0 | 5 (12.2) | 0.019 |
| Individuals with REC ≥ 1 mm (n, %) | 33 (70.2) | 28 (68.3) | 1.000 |
| Individuals with REC ≥ 3 mm (n, %) | 14 (29.8) | 12 (29.3) | 0.073 |
| Periodontal diagnosis | 0.021 | ||
| Periodontally healthy (n, %) | 12 (25) | 15 (36.6) | |
| Gingivitis (n, %) | 20 (42.6) | 15 (36.6) | |
| Initial periodontitis (n, %) | 14 (29.8) | 4 (9.8) | |
| Moderate periodontitis (n, %) | 1 (2.1) | 2 (4.9) | |
| Severe periodontitis (n, %) | 0 (0) | 5 (12.2) | |
| Stimulated salivary flow, ml/min (mean, st.dev) | 1.42 (0.72) | 1.59 (0.90) | 0.313 |