Table 2.
Mean (SD), Median/Minimum–Maximum scores by brush group for whole-mouth gingival recession (GR), bleeding on marginal probing (BOMP) and probing pocket depth (PPD)
| Brush (N) | Mean (SD) scores | ||
|---|---|---|---|
| GR* | BOMP† | PPD‡ | |
| Manual (90) | 0.097 (0.076) | 0.66 (0.354) | 1.53 (0.166) |
| Power (91) | 0.083 (0.055) | 0.63 (0.285) | 1.51 (0.201) |
| P-value§ | 0.121 | 0.625 | 0.390 |
| Median/Minimum–Maximum | |||
|---|---|---|---|
| GR* | BOMP† | PPD‡ | |
| Manual (90) | 0.077/0–0.46 | 0.61/0.18–1.82 | 1.50/1.18–2.12 |
| Power (91) | 0.077/0–0.29 | 0.59/0.08–1.42 | 1.48/1.17–2.21 |
| P-value¶ | 0.327 | 0.946 | 0.210 |
SD, standard deviation.
*
GR: distance in mm from cemento-enamel junction to gingival margin.
†
BOMP: 0 = non-bleeding, 1 = pin-prick bleeding, 2 = excessive bleeding.
‡
PPD: distance in mm from gingival margin to apical end of probing pocket.
§
Two-sample t-test for unequal variances.
¶
Mann–Whitney U test.