6. Full‐mouth disinfection versus control: change in bleeding on probing.

Tooth type: single‐ or multi‐rooted, or both	Baseline pocket depth (mm)	Time (months)	Number of studies (participants)	Mean difference (95% CI) (random‐effects meta‐analysis)	Heterogeneity
Both	5–6	3/4	0 (0)	Not estimable	Not applicable
Both	> 6	3/4	1 (16)	–5.00 (–11.70, 1.70); P = 0.14	Not applicable
Both	5–6	6/8	0 (0)	Not estimable	Not applicable
Both	> 6	6/8	1 (16)	2.00 (–7.83, 11.83); P = 0.69	Not applicable
Single‐rooted	5–6	3/4	1 (16)	5.00 (1.97, 8.03); P = 0.001	Not applicable
Single‐rooted	> 6	3/4	0 (0)	Not estimable	Not applicable
Single‐rooted	5–6	6/8	2 (45)	4.83 (1.86, 7.80); P = 0.001	P = 0.60; I² = 0%
Single‐rooted	> 6	6/8	1 (29)	14.00 (–2.17, 30.17); P = 0.09	Not applicable
Multi‐rooted	5–6	3/4	1 (16)	2.00 (0.38, 3.62); P = 0.02	Not applicable
Multi‐rooted	> 6	3/4	0 (0)	Not estimable	Not applicable
Multi‐rooted	5–6	6/8	2 (45)	8.72 (–2.61, 20.06); P = 0.13	P = 0.22; I² = 34%
Multi‐rooted	> 6	6/8	1 (29)	–8.00 (–25.00, 9.00); P = 0.36	Not applicable

CI: confidence interval.