Efficacy of Crest Herbal Toothpaste in “Clearing Internal Heat”: A Randomized, Double-Blind Clinical Study

Table 3

Comparison of original accumulated points among 67 subjects between the two groups before and after treatment (mean value ± standard deviation) (per-protocol (PP) analysis).

Group	Baseline	Week 2	Week 4
Group A (24 subjects)	28.33±6.79	21.75±6.04*	19.54±6.19*
Group B (43 subjects)	26.34±4.82	19.95±5.50*	17.40±5.22*

Compare with the result before treatment in the group, ^∗𝑃<0.05.