Current evidence is supportive of recommending probiotics for the management of halitosis .
Based on this review , transient ( average of 2 weeks ) dosing with probiotics ( mainly Lactobacillus strains ) has a moderate effect on halitosis regarding OLT scores , but we could not confirm the effects of probiotics on the VSC reduction .
Although several studies have evaluated the inhibitory effect of  probiotics  on  halitosis  , findings are inconsistent .
This systematic review and meta- analysis of r and omized clinical trials ( RCT ) was conducted to summarize the evidence on the effect of  probiotics on halitosis .
The Cochrane Collaboration’s tool for assessing risk of bias in randomised trials
Flaws in the design , conduct , analysis , and reporting of r and omised trials can cause the effect of an intervention to be underestimated or overestimated . The Cochrane Collaboration ’s tool for assessing risk of bias aims to make the process clearer and more
Current evidence is supportive of recommending probiotics for the management of halitosis .
Based on this review , transient ( average of 2 weeks ) dosing with probiotics ( mainly Lactobacillus strains ) has a moderate effect on halitosis regarding OLT scores , but we could not confirm the effects of probiotics on the VSC reduction .
Although several studies have evaluated the inhibitory effect of  probiotics  on  halitosis  , findings are inconsistent .
This systematic review and meta- analysis of r and omized clinical trials ( RCT ) was conducted to summarize the evidence on the effect of  probiotics on halitosis .