Table 1.
Comparison of mean API values with Student’s t-test for dependent and independent samples in study and control groups.
| Oral Hygiene Assessment (Interproximal Spaces) API | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| T1 | Mean ± Standard Deviation | T2 | Mean ± Standard Deviation | p (vs. T1) | T3 | Mean ± Standard Deviation | p (vs. T1) | ||||
| Study group (AT preparation) | Optimal | 0% | 64.58 ± 22.38 | Optimal | 20% | 49.00 ± 25.32 | 0.006488 | Optimal | 16% | 39.39 ± 20.60 | 0.000155 |
| Quite good | 12% | Quite good | 20% | Quite good | 52% | ||||||
| Average | 48% | Average | 44% | Average | 24% | ||||||
| Bad | 40% | Bad | 16% | Bad | 8% | ||||||
| Control group (CT preparation) | Optimal | 27% | 50.72 ± 29.68 | Optimal | 35% | 47.56 ± 29.70 | 0.572221 | Optimal | 46% | 42.19 ± 28.76 | 0.181755 |
| Quite good | 19% | Quite good | 11% | Quite good | 12% | ||||||
| Average | 27% | Average | 31% | Average | 23% | ||||||
| Bad | 27% | Bad | 23% | Bad | 19% | ||||||
| Study vs. Control group (p) | 0.066497 | 0.852609 | 0.692097 | ||||||||
T1—first examination; T2—second examination after 7 days; T3—third examination after 28 days.