Table 8.
Summary of Interproximal Plaque Index over time
| Time point | Mean Interproximal Plaque Index (±SD) | Between Treatment Comparison* | |||
|---|---|---|---|---|---|
| 0.1% o-cymen-5-ol/ 0.6%ZnCl2 (N = 112) | 0.204% Sodium Fluoride (N = 112) | Mean Difference (%) | 95% CI | P-value | |
| Pre-Prophy Baseline | 3.33 ± 0.320 | 3.35 ± 0.283 | |||
| Randomisation | 2.40 ± 0.452 | 2.40 ± 0.441 | |||
| Week 6 | 2.57 ± 0.322 | 2.97 ± 0.280 | −0.39 (−13.1%) | −0.44, −0.33 | <0.0001 |
| Week 12** | 2.05 ± 0.486 | 2.70 ± 0.313 | −0.65 (−24.0%) | −0.72, −0.57 | <0.0001 |
*
0.1%w/w o-cymen-5-ol/ 0.6%w/w zinc chloride (ZnCl2) dentifrice vs 0.204%w/w sodium fluoride dentifrice, a negative difference favours the experimental dentifrice. Comparison based on model-adjusted means.
**
N = 104 and N = 101 were assessed in each group respectively at Week 12.