Research Article

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).

GroupBaselineWeek 2Week 4

Group A (24 subjects) 6.04* 6.19*
Group B (43 subjects) 5.50* 5.22*

Compare with the result before treatment in the group, .