Table 1.
Tooth Surfaces | Baseline n=34 Mean (SD) |
After 7 Days n=34 Mean (SD) |
Pre/Post Difference Mean (SD) |
95% CI* | P-value** |
---|---|---|---|---|---|
All surfaces | 46.2 (31.3) | 69.4 (30.4) | 23.1 (31.5) | 12.2, 34.1 | 0.0002† |
Lingual surfaces | 0.9 (2.3) | 13.2 (14.1) | 12.3 (14.2) | 7.4, 17.3 | <.0001† |
Buccal surfaces | 30.1 (28.6) | 38.0 (21.7) | 7.8 (21.9) | 0.2, 15.4 | 0.045 |
Occlusal surfaces | 15.2 (10) | 18.2 (10.5) | 3.0 (11.0) | −0.8, 6.8 | 0.12 |
Maxillary occlusal surfaces | 5.9 (6.1) | 9.2 (6.3) | 3.3 (5.9) | 1.2, 5.4 | 0.0028† |
Mandibular occlusal surfaces | 9.3 (6.7) | 9.0 (5.6) | −0.3 (7.9) | −3.1, 2.5 | 0.83 |
Posterior buccal surfaces | 15.7 (17.7) | 22.8 (14.9) | 7.1 (12.8) | 2.6, 11.6 | 0.0027† |
Anterior buccal surfaces | 14.5 (14.3) | 15.2 (10.2) | 0.7 (12.5) | −3.7, 5.1 | 0.74 |
Tooth Surfaces | Baseline n=15 Mean (SD) |
After 14 Days n=15 Mean (SD) |
Pre/Post Difference Mean (SD) |
95% CI* | P-value** |
All surfaces | 39.9 (21.0) | 108.9 (47.6) | 69.0 (51.2) | 40.7, 97.3 | 0.0001† |
Lingual surfaces | 0.9 (1.6) | 36.0 (22.3) | 35.1 (22.1) | 22.8, 47.3 | <.0001† |
Buccal surfaces | 24.5 (18.3) | 45.4 (18.0) | 20.9 (18.0) | 10.9, 30.8 | 0.0005† |
Occlusal surfaces | 14.4 (10.8) | 27.5 (17.0) | 13.1 (18.6) | 2.7, 23.4 | 0.017† |
Maxillary occlusal surfaces | 6.5 (7.3) | 13.1 (9.8) | 6.7 (10.5) | 0.8, 12.5 | 0.028 |
Mandibular occlusal surfaces | 7.9 (5.6) | 14.3 (7.9) | 6.4 (10.0) | 0.9, 11.9 | 0.026 |
Posterior buccal surfaces | 13.5 (11.5) | 28.4 (11.4) | 14.9 (11.9) | 8.3, 21.5 | 0.0003† |
Anterior buccal surfaces | 11.1 (9.2) | 17.0 (7.6) | 5.9 (7.6) | 1.7, 10.1 | 0.0089† |
95% confidence interval for the average change between time points
Paired t-test, p-value
Statistically significant after adjustment for multiple testing, Holm’s method (p-value < 0.05)