BioMed Research International

Research Article

The Anticaries Effect of a Food Extract (Shiitake) in a Short-Term Clinical Study

Table 3

Silness & LΓΆe plaque index score (as modified by Danser et al. [24]) before and after each of the three legs of the crossover (shiitake, placebo, positive control (AmF-SnF2)) and three washout periods (washout shiitake, washout plaque, and washout positive control) for ACTA ( 𝑛 = 3 5 ). Mean Β± SD.
ShiitakePlaceboPositive control
Plaque score before test period     1 . 5 Β± 0 . 4      1 . 5 Β± 0 . 4   1 . 5 Β± 0 . 3
Plaque score after test period     1 . 6 Β± 0 . 3      1 . 6 Β± 0 . 3   1 . 2 Β± 0 . 4 1
Plaque score after washout     1 . 6 Β± 0 . 3      1 . 7 Β± 0 . 2   1 . 6 Β± 0 . 3
The mean difference in plaque score before and after test period βˆ’ 0 . 1 Β± 0 . 4 βˆ’ 0 . 1 Β± 0 . 3   0 . 3 Β± 0 . 5 2
1Statistically significantly different from the respective plaque score obtained before the test period ( 𝑃 < 0 . 0 0 1 , paired samples 𝑑 -test).
2Statistically significant plaque score reduction compared to other test periods ( 𝑃 < 0 . 0 0 1 , GLM-RM; Bonferroni post-hoc test).