Table 3 Brushing behavior within the two cohorts
From: Toothbrushing: to the best of one’s abilities is possibly not good enough
1995 cohort (N = 96) Mean (SD) | 1992 cohort (N = 101) Mean (SD) | t (195) | d | p | |
|---|---|---|---|---|---|
Tooth contact time (s) | |||||
overall | 206.7 (84.0) | 155.3 (70.8) | 4.66 | .664 | <.001 |
vestibular | 91.3 (40.7) | 70.9 (31.2) | 3.94 | .565 | <.001 |
palatinal | 30.6 (30.9) | 26.0 (27.9) | 1.10 | .157 | .272 |
occlusal | 84.8 (46.0) | 58.4 (34.2) | 4.55 | .654 | <.001 |
Percentage of time lateral surfaces are brushed by | |||||
horizontal (scrubbing) brushing movements | 39.7 (28.8) | 39.7 (30.3) | .002 | <.001 | .998 |
circular brushing movements | 47.0 (27.3) | 44.8 (29.5) | .548 | .078 | .584 |