2.3.1. Inclusion Criteria
gingivitis
GINGIVAL BLEEDING, GINGIVITIS
Male and female aged 18 to 65 years old.In good general health with brushing teeth as a daily habit.Possessing at least 20 permanent teeth (excluding the third molars) and 5 evaluable teeth in each quadrant.Suffering from gingivitis and possessing at least 20 gingival bleeding on probing at the baseline examination.T-QH > 1.5 at baseline examination.