Table 2.

Summary of the calculated point estimate and measure of variability for the weighted means of the mean differences obtained from systematic reviews ordered by index and ingredient, presented compared with placebo/control as a weighed mean, SDs of the weighted mean in parentheses and corresponding 95% confidence intervals (CI)

Index	Ingredient	Number of meta‐analyses	Point estimate and measure of variability
			Mean (SD)	95% CI
Quigley and Hein plaque index28	Stannous fluoride	3	0.25 (0.08)	0.20; 0.29
	Triclosan copolymer	5	0.47 (0.02)	0.47; 0.48
	Chlorhexidine	2	0.73 (0.07)	0.70; 0.79
Silness and Loe plaque index32	Triclosan copolymer	2	0.10 (0.05)	0.07; 0.14
	Triclosan zinc citrate	2	0.08 (0.01)	0.08; 0.09
Loe and Silness gingival index31	Stannous fluoride	2	0.14 (0.02)	0.13; 0.15
	Triclosan copolymer	4	0.26 (0.01)	0.25; 0.26