Reduced Plaque Index
| Supplement | Research Paper | Effect Type | Effect Size |
|---|---|---|---|
| Streptococcus salivarius M18 | 10.1136/bmjopen-2019-030638 | Beneficial | Moderate |
| Streptococcus salivarius M18 | 10.1088/1752-7163/ab1c81 | Neutral | Small |
| Lactobacillus reuteri ATCC PTA 5289 | 10.1111/jcpe.12606 | Beneficial | Large |
| Bifidobacterium animalis subsp. lactis B420 | 10.1371/journal.pone.0238425 | Beneficial | Moderate |
| Lactobacillus salivarius UALs07 | 10.1111/j.1600-051X.2008.01306.x | Beneficial | Large |