Table 2A.
Descriptive summary of the comparisons (N = 8) and intervention indicating significances for the professional brushing
| Experiments | Comparisons | ||
|---|---|---|---|
| Authors (year) | Intervention | Plaque score reduction | Comparison |
| Van der Weijden et al (1996‐D1) 45 | HFS‐PTB | < |
OR‐PTB D7 1‐min brushing |
| HFS‐PTB | < |
OR‐PTB D9 1‐min brushing |
|
| HFS‐PTB | < |
OR‐PTB D7 2‐min brushing |
|
| HFS‐PTB | < |
OR‐PTB D9 2‐min brushing |
|
| HFS‐PTB | < |
OR‐PTB D7 3‐min brushing |
|
| HFS‐PTB | < |
OR‐PTB D9 3‐min brushing |
|
| HFS‐PTB | = |
OR‐PTB D7 4‐min brushing |
|
| HFS‐PTB | < |
OR‐PTB D9 4‐min brushing |
|
| Summary professional brushing |
7/8 in favour of OR‐PTB = 89% 0 in favour of HFS‐PTB 1/8 no difference = 11% 0 unclear |
||
Abbreviations: ?, unknown; <, significant difference in favour of the comparison (OR‐PTB); =, no significant difference; >, significant difference in favour of the intervention (HFS‐PTB); D1, duration study part I; D7 (type of brush), Plak Remover; D9 (type of brush), Plak Remover with EB9 brush head; HFS‐PTB, high‐frequency sonic power toothbrush; OR‐PTB; oscillating‐rotating power toothbrush.